fixed add field declaration to the beginning of __init__
fixed test data
fixed PY-11800 Parameter unfilled false positive for decorators with '*' arguments.
IDEA-114979 Patch update should leave a log of its application
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
cleanup, javadoc
EA-52945 - assert: ModuleManagerImpl.findModuleByName
notnull
notnull
cleanup
notnull
notnull, cleanup
removed system.out
memory leak if application closed when ballons are still visible
cleanup
EA-52862 - assert: DocumentImpl.doRemoveDocumentListener
fix inspection description test
IDEA opens file from command line, same as e.g. WebStorm does
IDEA-85627 amend commit supported in Mercurial

*abstract class for additional commit panel created;
 *common git and mercurial methods  moved to DvcsCommitAdditionalComponent;
 *annotations added;
 *test for hg amend commit added;
 *style