Bug 822017 - Remove the global PB specific code from the testpilot extension; r=dao

--HG--
rename : browser/app/profile/extensions/testpilot@labs.mozilla.com/modules/setup.js => browser/app/profile/extensions/testpilot@labs.mozilla.com/modules/setup.js.in
rename : browser/app/profile/extensions/testpilot@labs.mozilla.com/modules/tasks.js => browser/app/profile/extensions/testpilot@labs.mozilla.com/modules/tasks.js.in