octomap: updating to 1.6.2
cmake-modules: updating to 0.2.0
robot-model: updating to 1.10.18
chatter: aggregate commonalities in chatter.inc
chatter: changing from git to 0.1.0 (resolves #208)
Merge pull request #210 from bulwahn/master

updating octomap, cmake-modules, robot-model and chatter