Disable js2-mode for JSON files.
Dumb down gogo-fullscreen.
Add evil-leader shortcut for ibuffer.
Replace buffer list keybinding with ibuffer.
Customize helm-bibtex actions.
Load helm-imenu.
Highlight long lines.
Add aggressive-indent-mode.
Add whitespace rules and fix library paths for Rust.
Disable aggressive indentation for Rust.
Associate hjs files with mustache-mode.