Function added to prevent editing in mobile view

When the window is resized, check if the webpage is in mobile/desktop
view and disable/enable editing accordingly
Only description boxes will be changed

Only the descriptionboxes will have their contenteditable changed. The
contenteditable changes will also only affect users with write access.
Disable editing in mobile view is now implemented
Removed settings button from mobile view
Merge branch 'codeviewer-master' into codeViewer-feature-mobileEditing-#387

Removed possibility to edit content in mobile version.

Conflicts:
	CodeViewer/js/codeviewer.js
	CodeViewer/js/templates.js
Merge branch 'codeViewer-feature-mobileEditing-#387' into codeviewer-master