3.0 Beta 2

New features

This release contains no new features beyond what's in 3.0 beta 1

Filter operator no longer breaks when old-style search language keys are in the search string
Arrow buttons to either side of the timeline chart are now working correctly
"Add filter to search" link, within extracted field menus, is now working correctly
Alt-click adds "NOT <<clicked term>>" to the right position in a search string with one or more pipes
Turned off rendering of contextual help icons for now
Fixed bug relating to applying chart and timechart to non-numerical data
Changed the names of buckets to a range, rather than just the start of the range, e.g., 10-19, 20-29 for integers, and 10.0-20.0, 20.0-30.0 for floating point numbers
Updated the Readme to say 3.0 beta and not 2.2
Various memory leaks fixed