Edit Project Maintainer tests

Add and remove maintainer tests.
Use the old Google site when necessary.

Occasionally the old Google account site presents itself when logging in,
so if this occurs just enter the email as normal.
Merge pull request #242 from zanata/google-weirdness-workaround

Use the old Google site when necessary.
Merge branch 'edit-project-maintainer-tests' into integration/master

Conflicts:
	functional-test/src/main/java/org/zanata/page/BasePage.java