remove compiled file from git

Signed-off-by: Niv Sardi <xaiki@evilgiggle.com>
default to black background to avoid flashing white during load time

Signed-off-by: Niv Sardi <xaiki@evilgiggle.com>
Merge pull request #103 from xaiki/dev-0.3

remove app.css as grunt compiles it and default to black background