Merge pull request #700 from singingwolfboy/select2-3.5.2

Upgrade select2 to 3.5.2

flask_admin/static/vendor/select2/LICENSE

-Copyright 2012 Igor Vaynberg
+Copyright 2014 Igor Vaynberg
 
 Version: @@ver@@ Timestamp: @@timestamp@@
 
@@ -15,4 +15,4 @@ http://www.gnu.org/licenses/gpl-2.0.html
 Unless required by applicable law or agreed to in writing, software distributed under the Apache License
 or the GPL Licesnse is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 either express or implied. See the Apache License and the GPL License for the specific language governing
-permissions and limitations under the Apache License and the GPL License.
\ No newline at end of file
+permissions and limitations under the Apache License and the GPL License.