Attempting indigo build.  Fixed eigen dependency by adding cmake_modules to the dependencies. Build fails at oro_barrett_sim due to a separate Eigen error.
incoroprating oro_barrett_sim Eigen fix into cmake_eigen branch

Merge branch 'master' of github.com:jhu-lcsr/orocos_barrett into cmake_eigen
moved catkin_modules dependency to catkin COMPONENTS list
Merge pull request #8 from nasnysom/cmake_eigen

Attempting indigo build.