Bump ckeditor and wysiwyg versions.

ckeditor 3.6.2 doesn't work properly for IE 10. It isn't possible to make line breaks (hitting 'enter' doesn't make a new line).
Changed makefile to point to ding2 on github
Merge pull request #3 from odensecentralbibliotek/bump_ckeditor

Bump ckeditor version.
Fixed indention in library list plugin
Resolved merge conflict in make file with core
Merge pull request #4 from ding2tal/core-pr-3

Core pr 3 (merge with Artesis)
Merge branch 'master' into release