add quote to ['course_id'] == "-1" in breadcrumb check for admins

ATutor 2.1.1

ATutor 2.1 release

The tag for ATutor 2.0.3 release.

Moved scripts in "docs" one level up into root folder. In addition, r…

…emoved "docs" folder itself.

ATutor 2.0

made a copy

made a copy