Todo: fix OOBE while deleting whole line with several quick document
modifications
Emmet: fix nullability issue
Emmet: enable fuzzy abbreviation search by default
style: unnecessary statement removed
NPE fixed: target can be null in model
IDEA-130658 Push Dialog: do not allow to push while edit branch name

* edit mode property added with appropriate tree property listener;
* updateButtons changed to set enabled method;
* set check for ui node rolled back;
* style
Simplified xml structure for pycharm/python plugin community/professional. Added clarification comments.
IDEA-130589 'View Text' on value with custom renderer in debugger shows default text for the value
EA-61039 - IAE: FileChooserDialogImpl.choose
plugins modification/filter processing
EA-61185 - assert: PsiWalkingState.elementStarted
cls elements are not supported by walking visitor
EA-61060 - NPE: RefactoringUtil.getParentStatement
api usage inspection: warn if old interface method was made default and class doesn't override it
Merge remote-tracking branch 'origin/master'
fixed EDU-162 Initial configuration shown twice on first start
Merge remote-tracking branch 'origin/master'
cleanup — use only one SaveSession interface