Merge pull request #25 from k-okada/master

add rosbuild to build_depend
update travis to check rosbuild/catkin, use_deb/use_source
add link to issues for each patchs
use shadow-fixed
Merge pull request #27 from k-okada/add_multi_travis

update travis to check rosbuild/catkin, use_deb/use_source
Merge pull request #28 from k-okada/add_link_to_patch_issues

add link to issues for each patchs