Added unit tests; created utils module for functions
Fixed typo, added new lines;
Merge branch 'MOB-1155-add-db-to-api' into MOB-1165-unit-tests

Conflicts:
	lib/curd.js
Updated specs to match branch code
Started cleanupTiles spec
Merge branch 'MOB-1155-add-db-to-api' into MOB-1165-unit-tests
Updated decorator spec
js-beautify
Added fetchImage spec
Added generateTiles spec
Added optimizeTiles spec
Started dfs spec
Fixed utils import
Merge pull request #8 from Wikia/MOB-1165-unit-tests

MOB-1155: Added unit tests; created utils module for functions