Add columns is_global and abbreviation to table disease_group. Corresponding updates in Hibernate. Some minor corrections.
Replace reviewCount per disease with total diseaseOccurrenceReviewCount across all disease groups
Test
Centre counter, and resize div for more digits
Merge pull request #64 from SEEG-Oxford/141-add-columns-to-disease-group

Add columns is_global and abbreviation to table disease_group
Fix
Re-fix
Merge pull request #65 from SEEG-Oxford/123-review-count

Display expert's total number of disease occurrence reviews
Merge branch 'master' into 136-js-unit-test

Conflicts:
	src/PublicSite/web/WEB-INF/freemarker/datavalidation.ftl