Declare ArcanistBaseWorkflow::run()
Declare ArcanistBaseWorkflow::run()

Summary: We call it from `arcanist.php`.

Test Plan: This diff.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D3496

uber/arcanist,phacility/arcanist,kevinseelbach/arcanist,sneakpeeq/arcanist,folsom-labs/arcanist,aik099/arcanist,chundongwang/arcanist,hach-que/arcanist,julkiewicz/arcanist,r4nt/arcanist,julkiewicz/arcanist,zhihu/arcanist,calblueprint/arcanist,jra3/arcanist,wxstars/arcanist,fivestars/arcanist,kevinseelbach/arcanist,calblueprint/arcanist,coursera/arcanist,codelabs-ch/arcanist,wxstars/arcanist,Symplicity/arcanist,uber/arcanist,wikimedia/phabricator-arcanist,KieranHayes/arcanist,haskell-infra/arcanist,coursera/arcanist,alexmv/arcanist,coursera/arcanist,fivestars/arcanist,alexmv/arcanist,alexmv/arcanist,r4nt/arcanist,haskell-infra/arcanist,chundongwang/arcanist,sneakpeeq/arcanist,eSpark/arcanist,wharris/arcanist,memsql/arcanist,Khan/arcanist,PageUpPeopleOrg/arcanist-patches,uber/arcanist,calblueprint/arcanist,KieranHayes/arcanist,zhihu/arcanist,PageUpPeopleOrg/arcanist-patches,wharris/arcanist,wxstars/arcanist,folsom-labs/arcanist,KieranHayes/arcanist,codelabs-ch/arcanist,jra3/arcanist,fivestars/arcanist,zhihu/arcanist,hach-que/arcanist,calblueprint/arcanist,julkiewicz/arcanist,phacility/arcanist,Symplicity/arcanist,wharris/arcanist,phacility/arcanist,kevinseelbach/arcanist,aik099/arcanist,sneakpeeq/arcanist,hach-que/arcanist,haskell-infra/arcanist,Khan/arcanist,wikimedia/phabricator-arcanist,Symplicity/arcanist,codelabs-ch/arcanist,eSpark/arcanist,codelabs-ch/arcanist,fivestars/arcanist,wikimedia/phabricator-arcanist,eSpark/arcanist,codelabs-ch/arcanist,wharris/arcanist,sneakpeeq/arcanist,alexmv/arcanist,julkiewicz/arcanist,r4nt/arcanist,memsql/arcanist,PageUpPeopleOrg/arcanist-patches,aik099/arcanist,PageUpPeopleOrg/arcanist-patches,dguo-coursera/arcanist,kevinseelbach/arcanist,dguo-coursera/arcanist,memsql/arcanist,phacility/arcanist,jra3/arcanist,dguo-coursera/arcanist,Khan/arcanist,chundongwang/arcanist,jra3/arcanist,KieranHayes/arcanist,phacility/arcanist,dguo-coursera/arcanist,hach-que/arcanist,haskell-infra/arcanist,Khan/arcanist,zhihu/arcanist,Symplicity/arcanist,aik099/arcanist,uber/arcanist,chundongwang/arcanist,folsom-labs/arcanist,eSpark/arcanist,wxstars/arcanist,r4nt/arcanist,coursera/arcanist,wikimedia/phabricator-arcanist,folsom-labs/arcanist,memsql/arcanist