Update valid 0.8.0 smoke_tests, catkin_lint

Version bump for valid smoke tests
Adds components keyword to CMakeLists find_package
Adds valid 0.7.0 smoke tests.
minor spacing update to smoke_test.py
Merge pull request #10 from RethinkRobotics/catkin_lint

Update valid 0.8.0 smoke_tests, catkin_lint