Normalized the control buttons within the course editor. They are now button groups of normal size. Additonally did a little work on the preview styling.
Added return entry and escape cancellationto the chater inline editing dialog.
Section inplace editor now responds to return and escape keyboard commands. Made further changes to the chapter inplace editor.
Section inplace editor now responds to return and escape keyboard commands. Made further changes to the chapter inplace editor. Adding unadded files.
Merge branch 'feature/SectionEditReturnSaves' into develop
Whitespace changes on course_editor.html