Removed syntastic from gitmodules
Added key binding to delete buffer without exiting altogether
Ignore untracked files so the submodules don't show up in # On branch master
# Your branch is ahead of 'origin/master' by 2 commits.
#
# Changes to be committed:
#   (use "git reset HEAD <file>..." to unstage)
#
#	modified:   .gitmodules
#
# Changes not staged for commit:
#   (use "git add <file>..." to update what will be committed)
#   (use "git checkout -- <file>..." to discard changes in working directory)
#   (commit or discard the untracked or modified content in submodules)
#
#	modified:   vim/bundle/command-t (modified content)
# as containing untracked files