Improved vertical in-Cell face creation

Signed-off-by: ImpalerWrG <impalerwrg@yahoo.com>
Finished vertical face rendering

Signed-off-by: ImpalerWrG <impalerwrg@yahoo.com>
Updated Libraries, Ogre 1.8.1, Boost 1.5.1, CEGUI 0.7.9, minor fixes to tile rendering
Improved Tile isEmpty check
Fixed Vertical bisecting face rendering
Reduced top height value on Cubes