Add quick mosaic code
Merge pull request #60 from mhvk/gmos_prepare_qmosaic

Add quick mosaic code
Merge pull request #62 from wkerzendorf/gmos/mos/fix_new_object_issues

fix for mask not adding
slow restructure of the GMOSMOSProject and refactoring
restructure of GMOSMOSRawFITS
fixed abstract base class with declarative attributes - still an infant in sqlalchemy
added reduction method for the imaging class.
added __dir__ to base_project.py