code viewer adapt for db changes
Prev/next example buggfix

Prev/next example buggfix and uncomment operations in editorService.
codeviewer buggfix - general settings
codeviewer - template functionality
Merge branch 'database-changes' into duggasys-CourseMenu
Made it possible to add new code examples
Merge branch 'duggasys-CourseMenu' of https://github.com/HGustavs/LenaSYS_2014 into duggasys-CourseMenu

Conflicts:
	DuggaSys/duggasys.js