Author: Sam Hemelryk
MDL-29941 csslib: Last minute cleanup before integration review
* Fixed reversed border styles.
* Added support for out of order background styles.
* Added more CSS tests again.
* Added better validation of CSS widths
http://git.moodle.org/gw?p=moodle.git;a=commit;h=6bbd4858b792c6413b8ae79462af73ee954e127f
http://github.com/moodle/moodle/commit/6bbd4858b792c6413b8ae79462af73ee954e127f
+ 2.3 en [enablecssoptimiser,core_admin]
+ 2.3 en [enablecssoptimiser_desc,core_admin]