Add prelude-update command
Add a note about enabling modules in the README
Add a couple of jump-to-def keybindings
Display a message when loading the personal config
Cleaned up some requires here and there
Open .jbuilder files in ruby-mode
C-M-h is more useful as mark-defun
Minor rewording
Merge branch 'master' of https://github.com/bbatsov/prelude

Conflicts:
	init.el