adding shadow_robot stack to documentation index for both groovy and hydro
Document common_tutorials

Fixes http://answers.ros.org/question/128911/missing-file-in-the-actionlib-intermediate-tutorial/
adding the Shadow Robot etherCAT stack as well
fix commas for OpenCV
Merge pull request #3088 from vrabaud/master

fix commas for OpenCV
vision_opencv 1.10.15-2
Merge pull request #3090 from vrabaud/master

vision_opencv 1.10.15-2
image_common 1.11.2
Merge pull request #3091 from vrabaud/master

image_common 1.11.2
sr_ros_interface: 1.3.0-8 in 'hydro/distribution.yaml' [bloom]
Merge pull request #3092 from toliver/bloom-sr_ros_interface-1

sr_ros_interface: 1.3.0-8 in 'hydro/distribution.yaml' [bloom]
Merge pull request #3087 from skasperski/master

Adding navigation_2d to documentation index for fuerte
Merge pull request #3084 from shadow-robot/master

adding shadow_robot stack to documentation index for both groovy and hydro
Merge pull request #3086 from trainman419/patch-3

Document common_tutorials
add whitespace check for rosdep files (fix #3089)
Merge pull request #3093 from ros/check_rosdep_for_whitespaces

add whitespace check for rosdep files (fix #3089)
Add source info for sr_ros_interface_ethercat to allow pre-release
Merge pull request #3094 from shadow-robot/master

Add source info for sr_ros_interface_ethercat to allow pre-release
sr_ros_interface: 1.3.0-9 in 'hydro/distribution.yaml' [bloom]
Merge pull request #3095 from toliver/bloom-sr_ros_interface-2

sr_ros_interface: 1.3.0-9 in 'hydro/distribution.yaml' [bloom]