U4-4931 - lock contention & potential application lockdown
Merge remote-tracking branch 'origin/6.2.1' into 6.2.1
Merge remote-tracking branch 'origin/6.2.1' into HEAD
U4-4931 - fixing & refactoring
Merge remote-tracking branch 'origin/6.2.1' into 6.2.1
U4-4931 - fixing & refactoring
Merge remote-tracking branch 'origin/6.2.1' into 6.2.1
U4-4931 - fixing & refactoring
Merge remote-tracking branch 'origin/6.2.1' into 6.2.1
Merge remote-tracking branch 'origin/6.2.1' into 6.2.1
U4-4931 - fixing & refactoring
Merge remote-tracking branch 'origin/6.2.1' into 6.2.1
Fix for U4-4493

Makes it possible to go back if you don't want to customize.
Fix for U4-4913
Updated modals.less

Added background color to umb-dialog footer
Updated sortdiaglog frame

Updated the dialog frame to use dynamic height.
Merge branch '6.2.2' into 6.2-4931
U4-4931 - do not cache exceptions
U4-4931 - fixing & refactoring
Merge branch '6.2.2' into 6.2-4931