Merge pull request #8765 from edx/christina/lms-requirejs/notes

...on/djangoapps/pipeline_mako/templates/static_content.html

common/static/js/vendor/underscore.string.min.js

common/templates/edxnotes_wrapper.html

lms/static/js/edxnotes/models/note.js

lms/static/js/edxnotes/plugins/events.js

lms/static/js/edxnotes/views/notes_visibility_factory.js

...c/js/spec/edxnotes/views/notes_visibility_factory_spec.js

lms/static/js/spec/main.js

lms/static/lms/js/build.js

lms/templates/edxnotes/edxnotes.html

lms/templates/edxnotes/toggle_notes.html