v2.9.0 search enhancements release

NEW this release:

• automatic library search in manual playlist entry (#152)
• sorting and pagination in Classic Search (#151)

This release includes the following 2.8.0 hotfixes:

• autofill current time when editing live playlist (#150)
• fixed onNow API for imported playlists (#149)
• increased DJ review count to 50 before pagination begins (#147)
• fixed block scoping problem in older browsers (#146)
• fixed library editor to hide scroll bar (#145)
• fixed sort indicators in reviews by DJ page (#144)
• updated Administer Users to use jQuery tablesorter (#143)