Removed unnecessary Grid for StandardPanel instance
Background of StandardPanel is changed depending on IsRootCategoryDetails
Merge remote-tracking branch 'remotes/origin/Sitrus2' into DUI-CIBackgroundOperators
Converter is used instead of DataTrigger
Background Setter is moved to top of Style
Merge pull request #85 from vmoyseenko/DUI-CIBackgroundOperators

Background of StandardPanel for no classes structure should be different