eslint: flag lack of 'use strict'
eslint: flag lack of 'use strict'

djpillen/appraisal-tab,eckardm/appraisal-tab,artefactual-labs/appraisal-tab,djpillen/appraisal-tab,eckardm/appraisal-tab,artefactual-labs/appraisal-tab