IDEA-121961 Debugger: evaluate from variables doesn't include context
IDEA-121990 Filter by old branch fails with exception if full graph is not loaded
VcsIntegrationEnablerTest implemented for mock test vcs

*GitIntegrationEnablerTest changed to common VcsIntegrationEnablerTest;
*test notification methods moved to VcsTestUtil;
*cosmetics
Cleanup (pointless exceptions; typos; formatting)
IDEA-54387 (type annotations in introduce parameter)
Fixed Nullable/NotNull annotations.
Merge remote-tracking branch 'origin/master'
IDEA-121920 (X/X can be replaced with X - incorrect arithmetic)
fix description
IDEA-121938 (serialPersistentFields trips "MismatchedReadAndWriteOfArray" inspection)
IDEA-121928 Grails 2.3.7 reloading is broken in IntelliJ 13.0.2
Cleanup (pointless exceptions; field extracted; formatting)
NotNull annotations and checks.
Fix mappings initialization.
do not store reference to PsiElement in qFix, codestyle cleanup, cleanup deprecated method usage
codestyle cleanup
EA-54668 - NPE: Breakpoint.setLogEnabled
added Add Exception base class quick fix to the Exception doesn't inherit from standard ''Exception'' class inspection
codestyle cleanup
Guess Python language level from SDKs of opened projects if it's not available for PSI elements