Various fixes

Minor updates to ROS Indigo

The openslam_gmapping commit

https://github.com/ros-perception/openslam_gmapping/commit/07b0c7ef62c0e28296c9618495314af1f43e5693



corrects the license information of that package, and hence, we
adjust the recipe in meta-ros accordingly.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@oss.bmw-carit.de>

Since gmapping 1.3.6, gmapping also depends on rosbag-storage.

Also see:
https://github.com/ros-perception/slam_gmapping/commit/455d65338abcf1f960ad4a1f5215547b1ed5d8f9



Signed-off-by: Lukas Bulwahn <lukas.bulwahn@oss.bmw-carit.de>

Updating to ROS Indigo Distribution

This commit drops faulty-solibs as solibs are set up properly in
the version 0.3.0.

Due to the update, rospack depends now on cmake-modules.

The patch provided upstream is part of 0.5.2 and hence is removed.

This commit drops all patches as they have been merged upstream
since 0.9.1. Furthermore, this commit completes the dependencies
of the velocity_controllers and the forward_command_controller
package.

Due to the update, this commit adjusts the line of LIC_FILES_CHKSUM
and the packages' dependencies.

The ROS packages, rosgraph_msgs and std_srvs, previously
in the ros_comm repository, have been moved into a separate
ros-comm-msgs repository for the ROS indigo distribution.

This commit:
- removes std-srvs and rosgraph-msgs recipes, as their sources
now are located in the ros_comm_msgs repository.
- adds a recipe for the new roslz4 package, which rosbag-storage
depends on.
- removes the patch that has been merged upstream.

The resource_retriever package's source was moved into
its own repository, and needs now python-urlgrabber.
Hence, this commit provides the recipe for python-urlgrabber, moves
the resource-retriever to its own location, and updates all other
packages in the robot_model repository.

Due to changes in the package.xml of the updated version, this
commit adjusts LIC_FILES_CHKSUM.

Due to changes in the package.xml, this commit adjusts the
LIC_FILES_CHKSUM.

Updating pcl-conversions to 0.2.0 needs adjusting of the LIC_FILES_CHKSUM line.