Turns Ambience audio player into a single button

* "Um-beyonce"
* properly adds button to a navbar-form for proper centering
* includes javascript for proper html5 audio triggering
Adds Homebrew-style theme

* Changes some bootstrap vars from default
* adds custom css
* Note: h1 font-sizing is temporarily custom; should be a responsive font size
Merge branch 'ui-branch'

* ui-branch:
  Adds Homebrew-style theme
  Turns Ambience audio player into a single button