emacs: Add Evil keys to change input method

The supported input methods are:

- TeX (,it)
- esperanto-postfix (,ie)
- danish-postfix (,id)
- german-postfix (,ig)
emacs: Remove Capture templates from orgmode.el

These should be defined in HERE.el from now on.
zsh: Allow comments interactively
emacs: Use Org

The version that ships with Emacs is pretty outdated.
zsh: Update oh-my-zsh
zsh: Set up rvm

This assumes that rvm is installed in $HOME/.rvm, but it doesn't fail otherwise.
vim: Update plugins
emacs: Use lojban-mode
x: Use Insync for Google Drive