Merge pull request #4319 from ros/ogre_rollback_trusty

roll back version of ogre to 1.8 on Trusty to not conflict with gazebo
rviz: 1.11.2-1 in 'indigo/distribution.yaml' [bloom]
fix freenect_stack source pointers for Groovy

ref: ros-drivers/freenect_stack#11
Merge pull request #4321 from jack-oquin/patch-3

fix freenect_stack source pointers for Groovy
Merge pull request #4320 from wjwwood/bloom-rviz-1

rviz: 1.11.2-1 in 'indigo/distribution.yaml' [bloom]
geometry_experimental: 0.5.4-1 in 'indigo/distribution.yaml' [bloom]
image_transport_plugins: 1.9.0-0 in 'indigo/distribution.yaml' [bloom]
Merge pull request #4322 from tfoote/bloom-geometry_experimental-4

geometry_experimental: 0.5.4-1 in 'indigo/distribution.yaml' [bloom]
Merge pull request #4323 from tfoote/bloom-image_transport_plugins-0

image_transport_plugins: 1.9.0-0 in 'indigo/distribution.yaml' [bloom]
ml_classifiers: 0.3.0-1 in 'hydro/distribution.yaml' [bloom]
Merge pull request #4324 from k-okada/bloom-ml_classifiers-1

ml_classifiers: 0.3.0-1 in 'hydro/distribution.yaml' [bloom]
openni_launch: 1.9.5-0 in 'indigo/distribution.yaml' [bloom]
Merge pull request #4325 from jack-oquin/bloom-openni_launch-1

openni_launch: 1.9.5-0 in 'indigo/distribution.yaml' [bloom]
beliefstate: 0.6.1-1 in 'groovy/distribution.yaml' [bloom]
Fixed URL path (appended missing .git)
Merge pull request #4326 from fairlight1337/bloom-beliefstate-1

beliefstate: 0.6.1-1 in 'groovy/distribution.yaml' [bloom]
navigation_2d: 0.1.0-0 in 'hydro/distribution.yaml' [bloom]
Merge pull request #4327 from skasperski/bloom-navigation_2d-0

navigation_2d: 0.1.0-0 in 'hydro/distribution.yaml' [bloom]
add python-simplejson
ros_ethercat: 0.1.6-1 in 'hydro/distribution.yaml' [bloom]