added some substitution marcos

Change-Id: I6ab1fc84c13514b7d810e2c90408e1e9f7d41de8
updated some vim plugins

Change-Id: I9f63482ba9d59d9e83b0f5d2c2c081820ff007a4
added vim-multiple-cursors

Change-Id: I3012a179b1d47f382c740b2ba2b214a7288c0299