Initial code from http://cl.ly/KAHs by Hermi (Hermi.Hg@gmail.com)
http://www.adiumxtras.com/index.php?a=xtras&xtra_id=8339
Cleanup
Update pidgin-opensteamworks to r73 (Version 1.3)
Fix project settings and add deprecated glib-json headers
Fix open-steamworks to support osx
Add mozilla nss path to xcode-projct