do not store reference to PsiElement in add field quickfix
get rid of deprecated functions use
code style cleanup
do not store reference to PyFile in add function quickfix
@NotNull getStatementList
cleanup deprecated method usage
rebase several problems fixed

*repository update called after HgRebase continue or abort action performed;
*directory marked dirty  after HgRebase actions;
*exit code enum used for pull command execution instead of int;
*HgRepository used  in hg rebase actions instead of VirtualFile
Support 'overwrite' parameter for maven-resources-plugin.
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)