Grunt build system + bower scaffolding (for builds with and without dependencies pre-bundled).
Decoupled search from library (sifter.js dependency).
Re-fetch bower components on build.
Fixed --plugins option.
Fixed travis CI arguments.
Fixed "score" setting.
Merged master into 0.7
Implemented destroy() method #35.
Fix for #73.
CSS overhaul (LESS) + prelim bootstrap support.
Bootstrap 2 and 3 themes.
Fixed test page.
Bootstrap improvements (spacing + optgroup support).
Fixed dropdown keyboard scrolling.
Converted plugins to *.less + added to build.
Added theme switcher.
Fixed optgroup header backgrounds on bootstrap themes.
Added "destroy" event.
Don't break "options" reference in clearOptions().
Directory / file cleanup.