core-5398 update item count on delete in analyses window
core-5450 remove non-default folder warning
core-5454 update DE nad belphegor version
CORE-5464 Reimplement sorting Apps by rating.

Added a Rating column comparator to AppColumnModel.
CORE-5464 minor refactor.
core-5380 core-5381 fix preferences defaults values
Merge branch 'dev' of github.com:iPlantCollaborativeOpenSource/DiscoveryEnvironment into dev
core-5455 disable sorting on comments column
core-5452 fix analysis window live view
core-5471 disable search for terms fewer than 3 chars
core-5466 fix perpetual loading mask when adjusting new file view buffer size.
core-5437 fix duplicate search
core-5437 fix unit test and additional corner cases
add mouse over effect for menu icons
add additional files to ignore.
core-5405 display warning about spl.char for multi file selector
core-5362 fix cancel in tool selection dialog