Merge pull request #3098 from vrabaud/master

fix opencv2_doc
actionlib: 1.11.0-0 in 'indigo/distribution.yaml' [bloom]
add doc/source for actionlib
Merge pull request #3099 from dirk-thomas/bloom-actionlib-0

actionlib: 1.11.0-0 in 'indigo/distribution.yaml' [bloom]
Update opencv2 rosdeps to not collide with opencv2 package.

Follow up to #3072
Merge pull request #3100 from ros/opencv2_rosdep

Update opencv2 rosdeps to not collide with opencv2 package.
fix python-qt-bindings key for trusty_python3
Fix Arch Linux rosdep mappings.

Cf. #2891
Add source sections to these 3 packages to allow the pre-release test
Add source section to sr_visualization package
Merge pull request #2891 from bchretien/master

Fix Arch Linux rosdep mappings.
Merge pull request #3101 from shadow-robot/master

Add source sections to these 3 packages to allow the pre-release test
rosconsole_bridge: 0.3.3-0 in 'indigo/distribution.yaml' [bloom]
add doc/source for rosconsole_bridge
Merge pull request #3102 from dirk-thomas/bloom-rosconsole_bridge-0

rosconsole_bridge: 0.3.3-0 in 'indigo/distribution.yaml' [bloom]
rosdep: integrated gentoo into base and python

Fixes #1036
Merge pull request #3103 from ros/gentoo_cleanup

rosdep: integrated gentoo into base and python
We have to keep the empty file...

Fixes #3104
Update 20-default.list
gentoo: it has to have an empty yaml dict