migrated testSesameNoNet
migrated testSesameNeedsNet (needed to restore conftest.py to get
remote_data to work)
test_SesameNeedsNet: cleaned up some debugging artifacts
migrated testVaoReg
migrated testVaoRegNeedsNet
migrated testQueryNoNet
migrated testCS
migrated testSLA
migrated testSSA
migrated testSIA
migrated testSIANeedsNet; migration complete
add License line to test files; updated testLicense.py to allow stmt on 2nd line
clean up old tests directory
Merge pull request #26 from RayPlante/migratetests

For Issue #16: migrated tests to astropy testing framework