fix bug #335744: Kate/KWrite CSS highlighting problems with media queries
Review Request #119443 - Created July 23, 2014 and submitted
fix bug #335744: accept spaces after colon in media query expression
Easy fix: add <DetectSpaces/> to MQEV context of css.xml highlighting file
Successfully highlighted the test case from bug #335744. Did not encouter any obvious downsides. Successfully applies to KDE/4.13, KDE/4.14 and master.