DB updates on course table

Added visibility
New javascript files for verification and AJAX

Adds two new files to js folder. AJAX and Verification
New PHP file for creation of course
Updates in course creation code
Merge branch 'duggasys-CourseMenu' of https://github.com/HGustavs/LenaSYS_2014 into duggasys-CourseMenu

Conflicts:
	DuggaSys/index.php
	DuggaSys/pages/newCourseForm.php