feat(testing): test for meta field on dashboard conformance tests
feat(http): ensure that dashboard json is encoded correctly
feat(bolt): update dashboard meta appropriately
fix(testing): use equate empty in dashboard test for empty cells list
feat(inmem): add meta to dashboards for conformance tests
feat(http): add support for dashboard conformance tests
feat(platform): add find options to FindDashboards method on dashboard svc
feat(testing): use find options in dashboard conformance tests
feat(mock): add find options to dashboard service
feat(bolt): add find options to dashboard service
feat(inmem): add find options to dashboard service
feat(http): add find options to dashboard service
feat(http): update dashboard swagger specification
fix(platform): fix mistakes after rebase
review(http): use default find options for dashboards