issue #7 rework
Issue #7 reworks
Merge pull request #49 from slima4/master

merge and fixed build for MacOS
Merge branch 'master' of https://github.com/m-garanin/zgui-qt into feature

Conflicts:
	mainwindow.cpp
Merge branch 'master' of https://github.com/m-garanin/zgui-qt into feature
Merge pull request #51 from slima4/master

SubScene: disable render when scene hidden
Merge pull request #52 from NicholasShatokhin/feature

Issue #7 reworks
fixed subscene stop boxwidget