Robotics Service Bus

check mark: ✓

# Create branches
#* project:rsc ✓
#* project:rsb
#* project:rsbag
#* project:rsb-xml
#* project:rsb-gstreamer
# Version bump
#* project:rsc ✓
#* project:rsb
#* project:rsbag
#* project:rsb-xml
#* project:rsb-gstreamer
# Create build jobs (https://support.cor-lab.org/issues/545)
# Close version version:rsb-0.9 (can this really be done? Other project migh reuse that version)
# Create/Bump homebrew formulas for 0.9
# Announce release
#* In project:rsc redmine ?
#* In project:rsb redmine
#* On the mailing list