Add default values for disease group/extent parameters (diseases of interest only)
Clean out the context of subclasses of AbstractCommonSpringUnitTests, to prevent unexpected mocks in later tests
Add historical reviews to deployment (currently only disease extent reviews)
Merge branch 'master' into 303-end-to-end
Fixes following review and Travis
Merge pull request #236 from SEEG-Oxford/303-end-to-end

Preparation for end-to-end process