threemxl: avoid making list out of CXX_FLAGS


git-svn-id: https://svn.3me.tudelft.nl/dbl-ros-pkg/catkin/threemxl@2139 307b8eea-87bc-4b2c-8ed6-ec76be046bab
Updated changelog to 0.1.4
Merge branch 'master' of https://github.com/wcaarls/threemxl