GAE CL for luci-go common refactor

R=nodir@chromium.org, dnj@chromium.org, estaab@chromium.org
BUG=

Review URL: https://codereview.chromium.org/2192003003 .
diff --git a/filter/dscache/context.go b/filter/dscache/context.go
index 6263e17..8d2ae3b 100644
--- a/filter/dscache/context.go
+++ b/filter/dscache/context.go
@@ -8,7 +8,7 @@
 	ds "github.com/luci/gae/service/datastore"
 	"github.com/luci/gae/service/info"
 	mc "github.com/luci/gae/service/memcache"
-	"github.com/luci/luci-go/common/mathrand"
+	"github.com/luci/luci-go/common/data/rand/mathrand"
 	"golang.org/x/net/context"
 )
 
diff --git a/filter/dscache/dscache_test.go b/filter/dscache/dscache_test.go
index 36562b8..cc1b606 100644
--- a/filter/dscache/dscache_test.go
+++ b/filter/dscache/dscache_test.go
@@ -19,7 +19,7 @@
 	"github.com/luci/gae/service/memcache"
 	"github.com/luci/luci-go/common/clock"
 	"github.com/luci/luci-go/common/clock/testclock"
-	"github.com/luci/luci-go/common/mathrand"
+	"github.com/luci/luci-go/common/data/rand/mathrand"
 	. "github.com/smartystreets/goconvey/convey"
 	"golang.org/x/net/context"
 )
diff --git a/filter/txnBuf/query_merger.go b/filter/txnBuf/query_merger.go
index 549ec76..524b5a9 100644
--- a/filter/txnBuf/query_merger.go
+++ b/filter/txnBuf/query_merger.go
@@ -11,7 +11,7 @@
 	"github.com/luci/gae/impl/memory"
 	ds "github.com/luci/gae/service/datastore"
 	"github.com/luci/gae/service/datastore/serialize"
-	"github.com/luci/luci-go/common/stringset"
+	"github.com/luci/luci-go/common/data/stringset"
 )
 
 // queryToIter takes a FinalizedQuery and returns an iterator function which
diff --git a/filter/txnBuf/state.go b/filter/txnBuf/state.go
index 1fefc1b..26dafa5 100644
--- a/filter/txnBuf/state.go
+++ b/filter/txnBuf/state.go
@@ -12,9 +12,9 @@
 	"github.com/luci/gae/service/datastore"
 	"github.com/luci/gae/service/datastore/serialize"
 	"github.com/luci/gae/service/info"
+	"github.com/luci/luci-go/common/data/stringset"
 	"github.com/luci/luci-go/common/errors"
-	"github.com/luci/luci-go/common/parallel"
-	"github.com/luci/luci-go/common/stringset"
+	"github.com/luci/luci-go/common/sync/parallel"
 	"golang.org/x/net/context"
 )
 
diff --git a/filter/txnBuf/txnbuf_test.go b/filter/txnBuf/txnbuf_test.go
index a115d06..c39d0e5 100644
--- a/filter/txnBuf/txnbuf_test.go
+++ b/filter/txnBuf/txnbuf_test.go
@@ -13,7 +13,7 @@
 	"github.com/luci/gae/filter/count"
 	"github.com/luci/gae/impl/memory"
 	"github.com/luci/gae/service/datastore"
-	"github.com/luci/luci-go/common/cmpbin"
+	"github.com/luci/luci-go/common/data/cmpbin"
 	"github.com/luci/luci-go/common/errors"
 	. "github.com/luci/luci-go/common/testing/assertions"
 	. "github.com/smartystreets/goconvey/convey"
diff --git a/impl/memory/datastore_index_selection.go b/impl/memory/datastore_index_selection.go
index 8716e97..2a5fe2f 100644
--- a/impl/memory/datastore_index_selection.go
+++ b/impl/memory/datastore_index_selection.go
@@ -12,7 +12,7 @@
 
 	ds "github.com/luci/gae/service/datastore"
 	"github.com/luci/gae/service/datastore/serialize"
-	"github.com/luci/luci-go/common/stringset"
+	"github.com/luci/luci-go/common/data/stringset"
 )
 
 // ErrMissingIndex is returned when the current indexes are not sufficient
diff --git a/impl/memory/datastore_query.go b/impl/memory/datastore_query.go
index 933b780..feacb3f 100644
--- a/impl/memory/datastore_query.go
+++ b/impl/memory/datastore_query.go
@@ -12,8 +12,8 @@
 
 	ds "github.com/luci/gae/service/datastore"
 	"github.com/luci/gae/service/datastore/serialize"
-	"github.com/luci/luci-go/common/cmpbin"
-	"github.com/luci/luci-go/common/stringset"
+	"github.com/luci/luci-go/common/data/cmpbin"
+	"github.com/luci/luci-go/common/data/stringset"
 )
 
 // MaxQueryComponents was lifted from a hard-coded constant in dev_appserver.
diff --git a/impl/memory/datastore_query_execution.go b/impl/memory/datastore_query_execution.go
index 3718c27..c5d5bf2 100644
--- a/impl/memory/datastore_query_execution.go
+++ b/impl/memory/datastore_query_execution.go
@@ -11,8 +11,8 @@
 
 	ds "github.com/luci/gae/service/datastore"
 	"github.com/luci/gae/service/datastore/serialize"
-	"github.com/luci/luci-go/common/cmpbin"
-	"github.com/luci/luci-go/common/stringset"
+	"github.com/luci/luci-go/common/data/cmpbin"
+	"github.com/luci/luci-go/common/data/stringset"
 )
 
 type queryStrategy interface {
diff --git a/impl/memory/datastore_query_test.go b/impl/memory/datastore_query_test.go
index 912c78a..44b1a4c 100644
--- a/impl/memory/datastore_query_test.go
+++ b/impl/memory/datastore_query_test.go
@@ -10,8 +10,8 @@
 
 	dstore "github.com/luci/gae/service/datastore"
 	"github.com/luci/gae/service/datastore/serialize"
-	"github.com/luci/luci-go/common/cmpbin"
-	"github.com/luci/luci-go/common/stringset"
+	"github.com/luci/luci-go/common/data/cmpbin"
+	"github.com/luci/luci-go/common/data/stringset"
 	. "github.com/luci/luci-go/common/testing/assertions"
 	. "github.com/smartystreets/goconvey/convey"
 )
diff --git a/impl/memory/gkvlite_iter_test.go b/impl/memory/gkvlite_iter_test.go
index 26e0af0..2a873ff 100644
--- a/impl/memory/gkvlite_iter_test.go
+++ b/impl/memory/gkvlite_iter_test.go
@@ -11,7 +11,7 @@
 	"github.com/luci/gae/service/datastore"
 	"github.com/luci/gae/service/datastore/serialize"
 	"github.com/luci/gkvlite"
-	"github.com/luci/luci-go/common/cmpbin"
+	"github.com/luci/luci-go/common/data/cmpbin"
 	. "github.com/smartystreets/goconvey/convey"
 )
 
diff --git a/impl/memory/mail_static_lists.go b/impl/memory/mail_static_lists.go
index a65f13b..b664e66 100644
--- a/impl/memory/mail_static_lists.go
+++ b/impl/memory/mail_static_lists.go
@@ -5,7 +5,7 @@
 package memory
 
 import (
-	"github.com/luci/luci-go/common/stringset"
+	"github.com/luci/luci-go/common/data/stringset"
 )
 
 // all of these constants were imported on Mon Dec 14 18:18:00 PST 2015 from
diff --git a/impl/memory/taskqueue.go b/impl/memory/taskqueue.go
index 7e84c99..2ee29fe 100644
--- a/impl/memory/taskqueue.go
+++ b/impl/memory/taskqueue.go
@@ -11,8 +11,8 @@
 	"golang.org/x/net/context"
 
 	tq "github.com/luci/gae/service/taskqueue"
+	"github.com/luci/luci-go/common/data/rand/mathrand"
 	"github.com/luci/luci-go/common/errors"
-	"github.com/luci/luci-go/common/mathrand"
 )
 
 /////////////////////////////// public functions ///////////////////////////////
diff --git a/impl/memory/taskqueue_test.go b/impl/memory/taskqueue_test.go
index b97b541..b9b261a 100644
--- a/impl/memory/taskqueue_test.go
+++ b/impl/memory/taskqueue_test.go
@@ -16,7 +16,7 @@
 	tqS "github.com/luci/gae/service/taskqueue"
 	"github.com/luci/luci-go/common/clock"
 	"github.com/luci/luci-go/common/clock/testclock"
-	"github.com/luci/luci-go/common/mathrand"
+	"github.com/luci/luci-go/common/data/rand/mathrand"
 	. "github.com/luci/luci-go/common/testing/assertions"
 	. "github.com/smartystreets/goconvey/convey"
 	"golang.org/x/net/context"
diff --git a/impl/memory/testing_utils_test.go b/impl/memory/testing_utils_test.go
index 8084892..66447d0 100644
--- a/impl/memory/testing_utils_test.go
+++ b/impl/memory/testing_utils_test.go
@@ -12,7 +12,7 @@
 
 	ds "github.com/luci/gae/service/datastore"
 	"github.com/luci/gae/service/datastore/serialize"
-	"github.com/luci/luci-go/common/cmpbin"
+	"github.com/luci/luci-go/common/data/cmpbin"
 )
 
 func init() {
diff --git a/service/datastore/query.go b/service/datastore/query.go
index 08ae6e1..35756f7 100644
--- a/service/datastore/query.go
+++ b/service/datastore/query.go
@@ -11,8 +11,8 @@
 	"strings"
 	"sync"
 
+	"github.com/luci/luci-go/common/data/stringset"
 	"github.com/luci/luci-go/common/errors"
-	"github.com/luci/luci-go/common/stringset"
 )
 
 var (
diff --git a/service/datastore/query_test.go b/service/datastore/query_test.go
index f0dbcd6..9e16edc 100644
--- a/service/datastore/query_test.go
+++ b/service/datastore/query_test.go
@@ -8,7 +8,7 @@
 	"math"
 	"testing"
 
-	"github.com/luci/luci-go/common/parallel"
+	"github.com/luci/luci-go/common/sync/parallel"
 	. "github.com/luci/luci-go/common/testing/assertions"
 	. "github.com/smartystreets/goconvey/convey"
 )
diff --git a/service/datastore/serialize/serialize.go b/service/datastore/serialize/serialize.go
index 11435c0..66a6db7 100644
--- a/service/datastore/serialize/serialize.go
+++ b/service/datastore/serialize/serialize.go
@@ -13,8 +13,8 @@
 
 	"github.com/luci/gae/service/blobstore"
 	ds "github.com/luci/gae/service/datastore"
-	"github.com/luci/luci-go/common/cmpbin"
-	"github.com/luci/luci-go/common/stringset"
+	"github.com/luci/luci-go/common/data/cmpbin"
+	"github.com/luci/luci-go/common/data/stringset"
 )
 
 // MaxIndexColumns is the maximum number of sort columns (e.g. sort orders) that
diff --git a/service/datastore/serialize/serialize_test.go b/service/datastore/serialize/serialize_test.go
index 3cad2cf..d6c9b9f 100644
--- a/service/datastore/serialize/serialize_test.go
+++ b/service/datastore/serialize/serialize_test.go
@@ -13,7 +13,7 @@
 
 	"github.com/luci/gae/service/blobstore"
 	ds "github.com/luci/gae/service/datastore"
-	"github.com/luci/luci-go/common/cmpbin"
+	"github.com/luci/luci-go/common/data/cmpbin"
 	. "github.com/luci/luci-go/common/testing/assertions"
 	. "github.com/smartystreets/goconvey/convey"
 )