Gaul code
Disease extent class table
Change enum to entity
Change extents list to map
Fixes
Add constants for each DiseaseExtentClass.
Refactor SingleDiseaseExtentGenerator to use the DiseaseExtentClass entity (rather than enumeration).
Fix test
PR changes, fix tests and new GeoJson tests
Travis
Unused import
Merge branch 'master' into 168-geojson-changes

Conflicts:
	src/ModelWrapper/test/uk/ac/ox/zoo/seeg/abraid/mp/modelwrapper/web/ModelRunControllerIntegrationTest.java
	src/ModelWrapper/test/uk/ac/ox/zoo/seeg/abraid/mp/modelwrapper/web/ModelRunControllerTest.java
Resolve failing test
Merge branch 'master' into 168-geojson-changes

Conflicts:
	src/ModelWrapper/src/uk/ac/ox/zoo/seeg/abraid/mp/modelwrapper/model/WorkspaceProvisionerImpl.java
Merge pull request #99 from SEEG-Oxford/168-geojson-changes

ModelWrapper Json changes