Add split-frame-with-class-and-spec

Hacked a function to split the frame with the class and it's target
spec. This function is bound to "C-c ,y" in the rspec-mode-map.

I'm getting better with emacs lisp!! YAY!
Merge branch 'master' of github.com:rranelli/emacs-dotfiles

Conflicts:
	.emacs.d/lisp/init-ruby.el