Put FacilityGroup.description.minversion back to 0.12.0 for now.
Merge pull request #2602 from learningequality/nalanda

Put FacilityGroup.description.minversion back to 0.12.0 for now.
specify the major, minor and patch versions on separate variables
remove commented out StoreItem model
upgrade KA Lite version to 0.13!!!!
Merge pull request #2603 from aronasorman/2463/update_minversions

2463/update minversions