Enable tmux to send-prefix using C-a a

* It's useful when you have a tmux session into another tmux session
  (ie. via ssh).
Add puppet module
Fix gitconfig colors causing iTerm with solarized to show diffs incorrectly
Changed reference to prezto master
Go back to using skwp prompt for rvm-prompt integration
Merge pull request #402 from imobach/master

Enable tmux to send-prefix using C-a a
Added syntax highlightning for tmux.conf
Spring rspec alias
Make :Gsesarch way faster - requires to :BundleUpdate to get latest skwp/greplace.vim
test presence of persistent_undo module before use it. (prevent error msg for versions<703)
just a spelling mistake in comment
Merge pull request #406 from jeremyclement/master

Resolve error "E518: Unknown option: undofile" for vim < 7.3
Merge pull request #405 from jby/add_tmux_vim_syntax

Added syntax highlightning for tmux.conf
Allow local configuration for tmux
Merge pull request #394 from treppo/master

Allow users to overwrite the tmux configuration
Fix token color customization for CodeRay >= 1.1.0

See: https://github.com/rubychan/coderay/commit/e2acec3ef141725d2fc264e56d1aa18e838c6acf
     https://github.com/pry/pry/issues/1012#issuecomment-29213405
Compare version numbers properly
Remove setting 256 colors for solarized on terminal vim
Merge pull request #410 from treppo/master

Remove setting 256 colors for solarized on terminal vim
Revert "Merge pull request #410 from treppo/master"

This reverts commit 6e344fef4e00914d3a2e8955f48cf5ca7479a945, reversing
changes made to 4c88ca6e45dfb9b2bd80f1ff3eebd84e7b5d885d.