dependent breakpoints not enabled if parent breakpoint is not suspending
make iterator to walk over immutable changes (EA-57477)
use ValueIterator class to be able to get file set associated with given value without hash map lookup with m.b. costly hash code calculation
Inspection settings UI: new severity level chooser ("Edit severity" action replaced from additional button to chooser)
IDEA-126921 Gant: 'Run from Context' doesn't add name of target to the run configuration parameters if it is enclosed in quotes
IDEA-126726 "Complete current statement" always adds a newline

* rollback the fix for IDEA-119926
http://netty.io/news/2014/07/04/4-1-0-Beta1.html
IDEA-126843 Background task window gets smaller
introduced EXTRA_SANITY_CHECKS
forbid multiple folding descriptors for the same text range (IDEA-126788)
compilation fixed
diff: better highlighting for fragmented diff near shoene gutter
diff: apply highlighting to both diffViewers, not only the current one
do not hold read lock for too long, during remote debugging initBreakpoints may take long