Add :opts option. Currently it's not doing anything. Need to add parameters in opts-applet-params.
Merge remote-tracking branch 'desk/opts' into opts

Conflicts:
	src/quil/applet.clj
Add :exit-on-close option.
Add support :keep-on-top, :resizable and :exit-on-close options for :opts option.

Add docs for new options.
Merge pull request #103 from Norgat/opts

Add :opts options.