Added responseUrl function
Improved coverage
Added different message in case the tileset exists
Added bucketPrefix;
Merge pull request #46 from Wikia/MOB-1441

MOB-1441: Refactor response URLs
Merge pull request #47 from Wikia/MOB-1443

MOB-1443: Added different message in case the tileset exists
Merge branch 'master' into MOB-1408

Conflicts:
	lib/renderMap.js