Fixed issue where the ASK environnement variable..

was not taken into account when doing a ASK=true rake install
Updated vim plugins
Merge pull request #228 from alikaragoz/master

Fix issue to take into account the ASK environnement variable
Merge branch 'master' of https://github.com/skwp/dotfiles

* 'master' of https://github.com/skwp/dotfiles:
  Fixed issue where the ASK environnement variable..
Updated vim plugin submodules
Global variable to enable/disable compiling coffee files on save
Added alias to restart pow for current dir