Tiled map view.
Added tiles from the New York Armory Show 2014 map.
Create a folder structure for locally stored tiles.
Fixed zoom levels.
Invalidate the entire map view when zoom level changes.
Fixed warning with CGContextGetCTM called for a 0x0 context.
Add annotations.
Updated master view controller test.
Removed Reveal framework.
Set global image reference directory in beforeAll.
Aded README describing the tiled image view.
Looks like Travis-CI is using a 4 inch simulator.
Removed unused tile levels.
Use tiles loaded from local cache.
Reduced screenshot size to fit README on Github.
Fixed space/tab.
Clarified the README.
Make mapView a public property.
Renamed to downloadAndRedrawTilesWithURLs.
Merge pull request #19 from dblock/tiled-map-view

Tiled map view