Removed unnecessary tests
Fix some facilities unit tests.
WIP (some tests failing)
Merge pull request #17 from jmulholland/small_fixes

fix js-hint errors
Fixed unit tests.
Fix bug where power producing facilities would have double output if built first.
keep population and food as integers
test that facility food production increases food levels
increase population over time if not limited by food or land area
make sure pollution is an integer; test limiting of population by land area
Code tidyup, delete unit test I'm not going to implement
integrate with terrain properly, and mock it out in tests
prevent pollution from becoming negative
fix facilityList.update to take the params given by gameStateUpdater
Merge pull request #18 from jmulholland/gameStateUpdater

Implement game state updater (aka world module), with integer numbers and stuff
Facility construction GUI
Merge remote-tracking branch 'origin/master' into facilities

Conflicts:
	src/scripts/availableFacilities.js
	src/scripts/facilityList.js
	test/facilityList.test.js
Destroy facilities when flooded, remove from map when demolished
Fixed merge conflicts, unit tests.
Merge remote-tracking branch 'origin/master' into facilities

Conflicts:
	src/scripts/facility.js
	src/scripts/facilityList.js