Update the Windows EWS driver script to run 'test-webkitpy' as part of its control loop. All of the EWS bots for other ports already do this, and we should catch Python errors at EWS time, since Windows seems to have some differences in Python behavior from other ports.
Created attachment 249948 [details] Patch
Committed r182261: <http://trac.webkit.org/changeset/182261>