testing: Adding some convenience functions to testing utils module, adding a couple unit tests for the init command

create: Making it so multiple packages can be created at once, and in a target directory  other thwn cwd

tests: Adding some tests for build and config verbs

testing: Adding a call to setup.py devel before running nosetests

tests: working on catkin build integration tests

tests: working on catkin build integration tests

Spelling mistake

testing: removing old empy install that got re-added during rebase