added nvm and additions to zsh-conf

- added Node-Version-Manager(nvm) as git submmodule
- link nvm-dir
- add zsh-adds-dir for custom files to be sourced in zshrc
- link zsh-adds
- source nvm
- add tmuxinator-completion and source it from zsh-adds
added a custom Node-JS-repl bin
added keybindings for tmux

- added keybindings to open up pry- and coffe-script shells
- added keybindings to restart the padrino-server in a padrino-project
let vim know that hamlc-files can be handled like haml-files
updating ranger-bookmarks
added vim-plugin for rubys bundler
added vim-plugin projectile, which is dependeny for forth-commin
rake-plugin