BAMPFA-210: Add .gitattributes, don't convert line endings in ckeditor files.
BAMPFA-210: Add ckeditor library files.
BAMPFA-210: Create rich text editor component.
BAMPFA-210: Prevent clicking on ckeditor toolbar buttons from triggering page modified warning.
BAMPFA-210: Add rich text editor js files to record.html.
BAMPFA-210: Add rich text editor styles.
BAMPFA-210: Add cleanup of event listeners, and convert nbsp entity to space.