Excessive files were removed
[DF-1728] is fixed - Smart Zoom is implemented for UI Editor.
[DF-1873] - centering on the small screens is implemented.
[DF-1858] - items 5 and 6 were fixed.
[DF-1858] fixed issue #3.
[DF-185] Merged with dev-qa
Merge branch 'development' of https://github.com/dava/dava.framework into development