[DF-4593] fix brush in landscape editors on Mac Retina
Merge branch 'development' of https://github.com/dava/dava.framework into development
[DF-4551] fix crash on start
DF-4575 - Aggregators now can't be named as controls in library.
[DF-4338] Property editor improvements
Merge branch 'development' of https://github.com/dava/dava.framework into development
[DF-185] remove DAVAEngine.h from some headers.
Merge branch 'development' of https://github.com/dava/dava.framework into development
[DF-4481] Fixes crash qtpropertyeditor widget
Merge branch 'development' of https://github.com/dava/dava.framework into development
[DF-4578] review fixes
Merge branch 'development' into mirrorland
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