Add abb and audio_common.
Update README.md (improved --list option).
hydro: add more moveit packages.
hydro: add some more packages.
hydro: add calibration package.
hydro: desktop_full update + some nav2d packages.
hydro: update tf2 and related packages.
ros-build-tools: start adding Python 3 support.
ros-build-tools: fix indent in usage of fix-python-scripts.sh
ros-build-tools: more work on Python 3 support.
indigo: first test (catkin).
import_catkin_packages.py: use Python 3 from now on.
indigo: add ros metapackage.
Update README.md (add indigo to distributions).
indigo: update .gitignore.
indigo: fix the call to clear-ros-env.sh.
python2-rospkg: update to 1.0.28.
hydro: octomap update + ABI breakage fix.
build.sh: silence error messages when not findinf files
Merge branch 'arch' into chakra

Conflicts:
	README.md
	dependencies/python2-rospkg/PKGBUILD