Add github.com/go-xorm/builder to dependency

.gopmfile

@@ -14,6 +14,7 @@ github.com/go-macaron/inject = commit:c5ab7bf
 github.com/go-macaron/session = commit:66031fc
 github.com/go-macaron/toolbox = commit:82b5115
 github.com/go-sql-driver/mysql = commit:0b58b37
+github.com/go-xorm/builder = commit:cd42e83
 github.com/go-xorm/core = commit:2ec3936
 github.com/go-xorm/xorm = commit:311abf2
 github.com/gogits/chardet = commit:2404f77

glide.lock

@@ -32,6 +32,8 @@ imports:
   version: 82b511550b0aefc36b3a28062ad3a52e812bee38
 - name: github.com/go-sql-driver/mysql
   version: 0b58b37b664c21f3010e836f1b931e1d0b0b0685
+- name: github.com/go-xorm/builder
+  version: cd42e8337f3031e737c3f415b6354793cf30f1c9
 - name: github.com/go-xorm/core
   version: 2ec3936f8a8a3fb6397c6c10185acffa87488534
 - name: github.com/go-xorm/xorm