Update Changelog for 3.6 release
Update Changelog for 3.6 release

chalmagean/alchemy_cms,AlchemyCMS/alchemy_cms,mamhoff/alchemy_cms,mtomov/alchemy_cms,robinboening/alchemy_cms,mixandgo/alchemy_cms,chalmagean/alchemy_cms,AlchemyCMS/alchemy_cms,mamhoff/alchemy_cms,chalmagean/alchemy_cms,mixandgo/alchemy_cms,mtomov/alchemy_cms,mixandgo/alchemy_cms,mtomov/alchemy_cms,mixandgo/alchemy_cms,robinboening/alchemy_cms,AlchemyCMS/alchemy_cms,robinboening/alchemy_cms,mamhoff/alchemy_cms,chalmagean/alchemy_cms,mtomov/alchemy_cms