check if _depend_output is null string
geneus/cmake/roseus.cmake : do not generate message for install package, since this component is not package_found-ed so far, try to run geneus next-time
geneus/cmake/roseus.cmake : workaround for groovy, prevent overwrite catkin_LIBRARIES
test-genmsg.sh: catkin_make with --make-args VERBOSE=1
test-genmsg.sh: add roscpp to CATKIN_DEPENDS
update to use latest .travis/travis.sh
roseus_c_util.c : remove compile_warnings
Merge pull request #125 from k-okada/fix_120

do not generate message for install package, since this component is not package_found-ed so far, try to run geneus next-time
Merge pull request #123 from k-okada/add_error_check

check if _depend_output is null string
Merge pull request #127 from k-okada/remove_warning

roseus_c_util.c : remove compile_warnings
update CHANGELOG.rst
1.1.20
cmake/roseus.cmake : do not compile roseus message if it couldnot find in find_package-ed