Initial changes for ArrayParameter
Tweaks
Merge branch 'master' of github.com:OpenMDAO-Plugins/pyopt_driver into bug

Updated from ArrayParameter version that started from old master.

Conflicts:
	src/pyopt_driver/pyopt_driver.py
	src/pyopt_driver/test/test_pyopt_driver.py
Merge pull request #2 from setowns1/bug

Update for ArrayParameter support