Add a disease_extent_occurrence table to hold some of the occurrences used while generating the disease extent.
Made database scripts match the Enterprise Architect diagram.
Merge branch 'master' into 262-extent-occurrences
Fix tests
Remove occurrenceCount, replace with list of DiseaseOccurrences
Clean up
Display panel
Move LoginViewModel out of datavalidation subfolder
Fix styling and tests
Merge branch 'master' into 262-extent-occurrences
Tidy ups
Replace https with http in JavaScript CDN links
Replace more https with http in JavaScript CDN links
Merge pull request #219 from SEEG-Oxford/262-extent-occurrences

Display latest occurrences panel on disease extent layer