Added the capability to set JSAV exercise options on book-wide and / or exercise-specific levels
Changed JSAV score fields used for grading from .student to .correct, and tweaked the exercise option configuration system to allow resetting the defaults in the JS of individual exercises
Merge branch 'master' of https://github.com/OpenDSA/OpenDSA
Removed hardcoded JSAV exercise options from AVs, so they can use the global values set during configuration, updating formatting of several Development AVs