[-] Cleaned up init (jsoa.el) and bindings

- removed packages that are not used much
- removed any related key bindings
Removed submodule dotfiles/emacs.d/vendor/nxhtml using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/virtualenv using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/fill-column-indicator using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/jade-mode using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/smart-tab using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/multiple-cursors using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/expand-region using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/erc using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/powerline using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/twittering-mode using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/flycheck using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/web-mode using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/scss-mode using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/auto-complete using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/git-gutter using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/ag using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/coffee-mode using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/yasnippet using gitsubmodule script
Removed submodule dotfiles/emacs.d/vendor/js2-mode using gitsubmodule script