cleanup
fixed PY-9690 Show 'Insert documentation string stub' only on function name
fixed test data
avoid NPE if toolwindow doesn't exists (no Debug toolwindow at this moment)

It is must not be real situation, such internal errors must be handled in context and some solution suggested to user (edit RC, for example)
simplify toolWindowGroup constructor — the same as in case of balloonGroup, don't require to pass logByDefault
SettingsTreeView: do not gray out nodes with low priority
fixed PY-7422 Create class: intention is not available for unresolved module reference
Support multiple shortcuts (10.5+)
Merge remote-tracking branch 'origin/master'
fixed PY-13778 SIOOBE: Show parameter info
Merge remote-tracking branch 'origin/master'
PY-13114 Add missing @Nullable/@NotNull annotations and 'final' modifiers
PY-13114 "Inline" refactoring doesn't insert redundant parenthesis
CPP-613 Switch on welcome wizard for all users
replaced moronic @Nullable with Contract
notnull
NPE, restore indicator after progress interruption
EA-55233
EA-57560
cancel resolving forcefully on disable