(CMakeLists.txt) add test code in rosbuild
(Makefile.rtshell) fix default insatll dir for rosbuild
fix test code to work on rosbuild environment
Merge pull request #23 from k-okada/add_rosbuild_rostest

(CMakeLists.txt) add test code in rosbuild
(.travis.yml) add rosbuild/use_deb matrix, rosbuild and use_source need rosws init to crate setup.bash
Merge pull request #24 from k-okada/add_deb_rosbuild

(.travis.yml) add rosbuild/use_deb matrix
rtshell depends on rtctree/rtsprofile on running time
Merge pull request #25 from k-okada/add_run_depends_to_rtctree_rtsprofile

rtshell depends on rtctree/rtsprofile on running time
add Isaac to maintainer