Added locations API
Added location's migration and filtering in api by date and type
Merge remote-tracking branch 'upstream/tz-master' into location-api

Conflicts:
	logistics_project/apps/api/resources/v0_1.py
	logistics_project/apps/api/urls.py
Added date_updated field to location's model
Code refactoring
Removed unnecessary line
Added updating date_updated field
Merge pull request #137 from lwyszomi/location-api

Location api