changed satellite images to conditionally enable google earth support based on plugin
fixed MBI dependancy check
Merge branch 'master' of https://github.com/OpenMDAO-Plugins/CADRE.git
removed unneeded data-generating files
added warning if running CADRE without pyopt_driver
Merge pull request #13 from thearn/master

Fixes to the Google maps/earth support, and pyopt_driver warnings