HTML Textbooks: Adding annotation css files group
Annotation Tools: Removed Public/Private Permissions Trigger
Annotation Tools: Adding Check for Grouping in MyNotes

- Grouping instance checked instead of prototype

- adding comments
Annotation Tools: Clean-up
Merge pull request #4983 from lduarte1991/lduarte-harvardx-pr20

Annotation Tools: Turn off Private/Public option and add missing css group to MyNotes