Corrected studio dashboard subheader + bokchoy test (for enabled libraries only)
Fixed reordering in libraries
Refactored common operations from course.py and library.py into superclass
Added test for restricted library access
Added test for switching between course and library tabs
Shared list of sub templates for library and container templates
Removed misleading comment + used more straightforward way to get library id
Fix for ORA2 save error
Help token