add utility functions
minor include fix
fix typo
renaming kinematic_model to robot_model
print indices with collision matrix

Without the indices along the top it is difficult to see which column
corresponds to which link.
comment the dfce and gsr (DistanceFieldCacheEntry and GroupStateRepresentation)
Merge pull request #43 from acornacorn/groovy-devel

Groovy devel
fix comment
Added visual_mesh_scale_ to robot_model so that robot_state can create rviz markers with the correct scale
Merge pull request #45 from davetcoleman/groovy-devel

Added visual_mesh_scale_ to robot_model
make var names more consistent
fix conflict + update API
add getMaximumExtent() for JointModelGroup
include velocities in conversions
remove tabs
Merge pull request #46 from acornacorn/groovy-devel

remove tabs
minor bugfix
add option for including attached objects in marker
ws fixes mostly
update some messages