release for 0.9.3

Signed-off-by: Jon Yardley <jonyardley@me.com>
Merge branch 'master' of https://github.com/jonyardley/AstroView

Signed-off-by: Jon Yardley <jonyardley@me.com>

Conflicts:
	public/astroview.appcache
	public/js/config.min.js