add rostest/hrpsys_tools to depends and find_package

1.0.7 fail to compile, see 
- http://jenkins.ros.org/job/ros-hydro-hrpsys-ros-bridge_binarydeb_precise_amd64/
- http://jenkins.ros.org/job/ros-groovy-hrpsys-ros-bridge_binarydeb_oneiric_amd64/

although it passed prelease test

http://jenkins.ros.org/job/prerelease-hydro-rtmros_common/ARCH_PARAM=amd64,UBUNTU_PARAM=precise,label=prerelease/12/consoleFull