CC-4881: Cue in time can be greater than Cue out time in some situations

-fixed
Merge branch '2.3.x' of dev.sourcefabric.org:airtime into 2.3.x
CC-4897: XSS exploit on library page

-fixed
Merge branch '2.3.x' of dev.sourcefabric.org:airtime into 2.3.x