Properly add the Boost_INCLUDE_DIR to the test project(s).
Properly add the Boost_INCLUDE_DIR to the test project(s).

--HG--
branch : v0-8

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