Adds meshes and urdf to installations.
1.0.1 Version Bump

Updates baxter_common 1.0.1 CHANGELOG.rst
Merge pull request #58 from RethinkRobotics/mesh_installation

Adds meshes and URDF to baxter_description installations
Merge pull request #59 from RethinkRobotics/release-1.0.1

Release 1.0.1