Git: add gitattributes file

I could have just dropped this at ~/.config/git/attributes and it would
work automagically, but other processes sometimes want to dump their
stuff in ~/.config, so I don't want to "own" that hierarchy at this
point if I can avoid it. So, manual it is.

Signed-off-by: Wincent Colaiuta <win@wincent.com>
Vim: bundle updates

* .vim/bundle/fugitive 3b5f715...f6d93b8 (9):
  < Fix :Gstatus dp with external diff enabled
  < Update :Gblame explanation in README
  < Extract contribution guidelines
  < Change heading style
  < Press - on first line of :Gstatus to edit .git
  < Encapsulate restore options for diff
  < Revert "Add foldenable to fugitive_diff_restore"
  < Add foldenable to fugitive_diff_restore
  < Loosen regex to compensate for iskeyword

* .vim/bundle/rails add3463...74f407e (3):
  < Merge pull request #258 from johnsyweb/makeshift-rails-compatibility
  < Fix :.Rake in a .task file
  < Merge pull request #251 from kalys/master

* .vim/bundle/tabular 60f2564...0c856ba (1):
  < Add an option to not load TabularMaps.vim

* .vim/bundle/vim-dispatch 4abbd13...b171bbc (1):
  < Fix capture of xterm title in tmux

* .vim/bundle/vim-golang e4f4d6d...b63f8e8 (2):
  < misc/vim: make Godoc command work with "log.Print".
  < misc/vim: update installation instructions to work better with some Linux distributions.

Signed-off-by: Wincent Colaiuta <win@wincent.com>
Git: add missing symlink to .gitattributes file

Signed-off-by: Wincent Colaiuta <win@wincent.com>