Integrate public as bindata optionally (#293)

* Dropped unused codekit config

* Integrated dynamic and static bindata for public

* Ignore public bindata

* Add a general generate make task

* Integrated flexible public assets into web command

* Updated vendoring, added all missiong govendor deps

* Made the linter happy with the bindata and dynamic code

* Moved public bindata definition to modules directory

* Ignoring the new bindata path now

* Updated to the new public modules import path

* Updated public bindata command and drop the new prefix

vendor/github.com/pingcap/tidb/sessionctx/forupdate/for_update_ctx.go

@@ -0,0 +1,33 @@
+// Copyright 2015 PingCAP, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package forupdate record information for "select ... for update" statement
+package forupdate
+
+import "github.com/pingcap/tidb/context"
+
+// A dummy type to avoid naming collision in context.
+type forupdateKeyType int
+
+// String defines a Stringer function for debugging and pretty printing.
+func (k forupdateKeyType) String() string {
+	return "for update"
+}
+
+// ForUpdateKey is used to retrive "select for update" statement information
+const ForUpdateKey forupdateKeyType = 0
+
+// SetForUpdate set "select for update" flag.
+func SetForUpdate(ctx context.Context) {
+	ctx.SetValue(ForUpdateKey, true)
+}