Emacs: install even more shit from packages
Emacs: remove rinari

I don't really use it so let's just throw out the submodule for now.
Emacs: change `my-packages` to a `defvar`
Emacs: remove some experimental submodules
Emacs: remove icicles from lib
Emacs: load yasnippet from package
Emacs: add projectile-bookmarks.eld to .gitignore
Emacs: convert basically all dependencies to package type