update

Author: wklken

install.sh

@@ -39,3 +39,14 @@ export SHELL=$system_shell
 
 cd $CURRENT_DIR/bundle/YouCompleteMe/
 bash -x install.sh --clang-completer
+
+#vim bk and undo dir
+if [ ! -d ~/bak/vimbk ]
+then
+    mkdir -p ~/bak/vimbk
+fi
+
+if [ ! -d ~/bak/vimundo ]
+then
+    mkdir -p ~/bak/vimundo
+fi