add some saucy keys

trying to get things going on ubuntu 13.10 . appears to be a problem with python-qt-bindings. These tweaks don't fix that, but i think they need to be done regardless (just copying things in from the raring keys).
Merge pull request #2570 from 130s/master

Add densowave, open_industrial_ros_controllers to doc.yaml, source.yaml in hydro.
open-industrial-ros-controllers: 0.1.0-0 in 'hydro/release.yaml' [bloom]
rosdep: fixed rubygems version for quantal and raring
rtmros_nextage: 0.2.3-0 in 'hydro/release.yaml' [bloom]
Merge pull request #2572 from 130s/bloom-rtmros_nextage-2

rtmros_nextage: 0.2.3-0 in 'hydro/release.yaml' [bloom]
Merge pull request #2571 from 130s/bloom-open-industrial-ros-controllers-0

open-industrial-ros-controllers: 0.1.0-0 in 'hydro/release.yaml' [bloom]
Merge pull request #2569 from codebot9000/patch-2

add some saucy keys
rtmros_common: 1.0.5-1 in 'groovy/release.yaml' [bloom]
Merge pull request #2573 from k-okada/bloom-rtmros_common-24

rtmros_common: 1.0.5-1 in 'groovy/release.yaml' [bloom]
Merge pull request #2567 from meyerj/patch-1

rosdep: fixed rubygems version for quantal and raring
(open_industrial_ros_controllers) Rename repository to replace hyphen with underscore to follow common practice in ROS.