Fix to show client icons properly

Signed-off-by: Holger Stitz <git@holgerstitz.de>
Added logs/errorlog.txt to .gitignore list

Signed-off-by: Holger Stitz <git@holgerstitz.de>
Removed print_r() from testing

Signed-off-by: Holger Stitz <git@holgerstitz.de>
CKEditor: Added Sourcecode button to Sefrengo standard toolbar configuration

Signed-off-by: Holger Stitz <git@holgerstitz.de>
Replaced jQuery v2.0.3 with v1.10.2 to fix issues with IE8 and IE9

Signed-off-by: Holger Stitz <git@holgerstitz.de>
Removed overlib.js; use jQuery qTip instead