Adding a test for Bug 804935 worker.tab dnw when require(tab) was not used
Merge branch 'master' of git://github.com/mozilla/addon-sdk into test-804935

Conflicts:
	test/test-page-mod.js
Merge pull request #708 from erikvold/test-804935

Fix Bug 826424 Adding a test for worker.tab dnw when require(tab) was not used r=@erikvold