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/kv/utils.go

@@ -0,0 +1,60 @@
+// 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 kv
+
+import (
+	"strconv"
+
+	"github.com/juju/errors"
+)
+
+// IncInt64 increases the value for key k in kv store by step.
+func IncInt64(rm RetrieverMutator, k Key, step int64) (int64, error) {
+	val, err := rm.Get(k)
+	if IsErrNotFound(err) {
+		err = rm.Set(k, []byte(strconv.FormatInt(step, 10)))
+		if err != nil {
+			return 0, errors.Trace(err)
+		}
+		return step, nil
+	}
+	if err != nil {
+		return 0, errors.Trace(err)
+	}
+
+	intVal, err := strconv.ParseInt(string(val), 10, 0)
+	if err != nil {
+		return 0, errors.Trace(err)
+	}
+
+	intVal += step
+	err = rm.Set(k, []byte(strconv.FormatInt(intVal, 10)))
+	if err != nil {
+		return 0, errors.Trace(err)
+	}
+	return intVal, nil
+}
+
+// GetInt64 get int64 value which created by IncInt64 method.
+func GetInt64(r Retriever, k Key) (int64, error) {
+	val, err := r.Get(k)
+	if IsErrNotFound(err) {
+		return 0, nil
+	}
+	if err != nil {
+		return 0, errors.Trace(err)
+	}
+	intVal, err := strconv.ParseInt(string(val), 10, 0)
+	return intVal, errors.Trace(err)
+}