switching to gazebo from the prerelease packages
Merge pull request #1609 from ros/gazebo_release

switching to gazebo from the prerelease packages
gazebo_ros_pkgs: 2.2.1-1 in 'hydro/release.yaml' [bloom]
Merge pull request #1608 from jack-oquin/master

make rosdoc_lite branch be "master" for both Groovy and Hydro
Merge pull request #1610 from wjwwood/bloom-gazebo_ros_pkgs-0

gazebo_ros_pkgs: 2.2.1-1 in 'hydro/release.yaml' [bloom]
gps_umd: 0.1.6-0 in 'hydro/release.yaml' [bloom]
Merge pull request #1611 from ktossell/bloom-gps_umd-0

gps_umd: 0.1.6-0 in 'hydro/release.yaml' [bloom]
control_toolbox: 1.10.3-0 in 'hydro/release.yaml' [bloom]
Merge pull request #1612 from ahendrix/bloom-control_toolbox-1

control_toolbox: 1.10.3-0 in 'hydro/release.yaml' [bloom]
camera_umd: 0.2.0-0 in 'hydro/release.yaml' [bloom]
Merge pull request #1613 from ktossell/bloom-camera_umd-0

camera_umd: 0.2.0-0 in 'hydro/release.yaml' [bloom]
rosdoc_lite: 0.2.3-0 in 'hydro/release.yaml' [bloom]
rosdoc_lite: 0.2.3-0 in 'groovy/release.yaml' [bloom]
Merge pull request #1615 from jack-oquin/bloom-rosdoc_lite-0

rosdoc_lite: 0.2.3-0 in 'hydro/release.yaml' [bloom]
Merge pull request #1616 from jack-oquin/bloom-rosdoc_lite-1

rosdoc_lite: 0.2.3-0 in 'groovy/release.yaml' [bloom]
Update osx-homebrew.yaml