mono: fix monolite url

Url in form of `http://storage.bos.xamarin.com/mono-dist-master/latest/monolite-<version>-latest.tar.gz`
only works for the latest mono corelib version. We should use the url
with a specific commit. Find current monolite url from [here][url-ref].

 [url-ref]: http://permalink.gmane.org/gmane.comp.gnome.mono.devel/42370
mono: add libgdiplus
mono: update 3.10.0 bottle.