Added suitesparse to karto-package.
Working on g2o backend for the graph slam.
Added cmake_modules from g2o.
Translated graph structure from karto to g2o.
g2o backend mostly working.
Added CSparse-Solver.
Bugfix: Set the first node in the graph fixed
Can build with or without g2o.
Made cholmod optional in g2o-solver.
Fixes to karto-cmake.
Add missing dependencies on gencpp

These targets all include message headers at one point or another
Merge pull request #4 from cottsay/master

Add missing dependencies on gencpp
Added dependencies to msg-generation with catkin_EXPORTED_TARGETS
Merged updates from master.
Made TBB optional.