Improved detection of OIS, with default paths built by the Ogre dependencies package.
Improved detection of OIS, with default paths built by the Ogre dependencies package.

cbeck88/cegui-mirror,cbeck88/cegui-mirror,RealityFactory/CEGUI,arkana-fts/cegui,arkana-fts/cegui,arkana-fts/cegui,cbeck88/cegui-mirror,RealityFactory/CEGUI,RealityFactory/CEGUI,cbeck88/cegui-mirror,RealityFactory/CEGUI,arkana-fts/cegui,RealityFactory/CEGUI,arkana-fts/cegui,cbeck88/cegui-mirror