vim submodules

[email protected]:~/.vim$ git status
On branch master
Your branch is up-to-date with 'origin/master'.
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:   bundle/CuteErrorMarker (untracked content)
   modified:   bundle/OmniCppComplete (untracked content)
   modified:   bundle/VisIncr (untracked content)
   modified:   bundle/autoclose (untracked content)
   modified:   bundle/javacomplete (untracked content)
   modified:   bundle/matchit (untracked content)
   modified:   bundle/snipmate-snippets (modified content)
   modified:   bundle/vim-multiple-cursors (untracked content)
   modified:   bundle/xmledit (untracked content)
   modified:   bundle/yankring (untracked content)
no changes added to commit (use "git add" and/or "git commit -a")

$ vim ~/.gitignore
doc/tags
$ git config --global core.excludesfile ~/.gitignore