Merge pull request #14 from cburbridge/master

urdf improvement
Merge pull request #15 from cburbridge/master

tidying mesh file names and removing old meshes
Merge pull request #16 from cburbridge/master

motor status message type
Adding meshes to new detaily robot body scitos_1 and frame around head.
Merge pull request #17 from mudrole1/master

Adding meshes to new detaily robot body scitos_1 and frame around head.
Merge branch 'master' of https://github.com/strands-project/scitos_common
adding new model and xtion frames