rosjava_build_tools: 0.1.19-0 in 'hydro/release.yaml' [bloom]
ax2550: 0.1.1-0 in 'hydro/release.yaml' [bloom]
stage_ros: 1.7.2-0 in 'hydro/release.yaml' [bloom]
reverting rosjava_build_tools

Reverts #2165 for which I didn't notice travis didn't run on and is missing tags.
add segbot packages to hydro/source.yaml so we can run pre-release tests
add multi_level_map to hydro/doc.yaml so it can be documented on the wiki
gazebo_ros_pkgs: 2.3.2-0 in 'hydro/release.yaml' [bloom]
restoring rosjava_build_tools 0.1.19

See discussion: #2165
Update release.yaml
rosjava_build_tools: 0.1.20-0 in 'hydro/release.yaml' [bloom]
perception_pcl: 1.1.6-0 in 'hydro/release.yaml' [bloom]
perception_pcl: 1.0.36-0 in 'groovy/release.yaml' [bloom]
perception_pcl: 1.1.7-0 in 'hydro/release.yaml' [bloom]
updating groovy devel branch for perception_pcl
rosjava_build_tools: 0.1.21-0 in 'hydro/release.yaml' [bloom]
switch branch for rqt_common_plugins and rqt_robot_plugins back to groovy-devel
rqt_common_plugins: 0.3.0-0 in 'groovy/release.yaml' [bloom]
pocketsphinx: 0.2.1-0 in 'hydro/release.yaml' [bloom]
pocketsphinx: 0.2.1-0 in 'groovy/release.yaml' [bloom]
rosserial: 0.5.3-0 in 'hydro/release.yaml' [bloom]
yujin_ocs: 0.4.0-1 in 'hydro/release.yaml' [bloom]