Bind C-c j and C-c C-j for projectile
Update lots of stuff
* Use projecile and helm-projectile, drop homegrown helm-in-project
* Drop webjump-api, use zeal-at-point
* Use commit-patch from ~/vc
* Use easy-kill
* Make use of mmm-defaults
* Replace ruby-electric with ruby-end
* Use ido instead of grizzl for projectile
* Drop unused js2-mode vars
* Drop obsolete ruby-indent-line advices
* Use inf-ruby-switch-setup
* Make whitespace-mode use local variables
* Update submodules