Allow insetting edges using UIEdgeInsets
Allow insetting edges using UIEdgeInsets

Adds a helper `inset` with takes a UIEdgeInsets parameter instead of specifying each edge separately.

Fixed version of https://github.com/robb/Cartography/pull/194

kliu/Cartography,kliu/Cartography,u10int/Cartography,noluyo/Cartography,noluyo/Cartography,Khan/Cartography,TimothyChilvers/Cartography,TimothyChilvers/Cartography,Khan/Cartography,u10int/Cartography