Modified the URL 

Added the correct URL for WikEmacs articles on installing Emacs.
Add ace-jump-buffer to Prelude

Keybindings set to `C-c k` and `S->`
Merge pull request #511 from Abizern/ace-jump-mode

Add ace-jump-buffer to Prelude
Merge pull request #509 from dkr05/master

Modified the URL
Improve version check
Always load newest byte code
Add a basic shell module with some pretzo-related config
Correct conflicting keybinding
Add basic company config
Add ruby-mode to Puppetfiles

Puppetfiles are similar to Gemfiles, but for librarian-puppet, that
manages dependencies on Puppet modules.
Merge pull request #514 from jehrhardt/puppetfiles

Add ruby-mode to Puppetfiles
Remove some unneeded company config
Increase a bit the idle delay
Merge branch 'master' of github.com:bbatsov/prelude
Add the easy-kill package
Code style
Add diff-hl package
Merge branch 'master' of github.com:bbatsov/prelude

Conflicts:
	core/prelude-editor.el
Save all buffers on focus lost
Recognize Elixir source files automatically