Merge pull request #42 from osener/upstream

Add support for "Notification Center" in OS X Mountain Lion using terminal-notifier
Tidy up terminal-notifier code, and skip file test when not on OS X
Remove face overrides for elisp symbols in autocomplete dropdowns
Merge remote-tracking branch 'refs/remotes/upstream/master'
Tweak ERC notification
Change the default light theme to Solarized Light
Restore default line-spacing value
More effective way to disable bold and underlined faces
Add expand-region
Disable autopair and show-trailing-whitespace in some modes
Prefer Melpa over Marmalade for more packages
Open archive-contents files as emacs lisp
Ditto
Miracle eye pill!
Remove starter-kit-eshell
Remove eshell-prompt color customization
Add packages buffer to popwin
Set up w3m
Disable visible trailing whitespace in more modes
Don't enable fci-mode in Emacs 23 (fixes #44)