Irrlicht sdk for mac now (as of 1.5.1)  supplied as a framework, so adjust our build config setup to better suit that.
Irrlicht sdk for mac now (as of 1.5.1)  supplied as a framework, so adjust our build config setup to better suit that.

--HG--
branch : v0-7

cbeck88/cegui-mirror-two,cbeck88/cegui-mirror-two,cbeck88/cegui-mirror-two,cbeck88/cegui-mirror-two,cbeck88/cegui-mirror-two