Bug 1080801 - adjust more comments in browser/base/content/test/general/browser.ini, rs=comments-only
DONTBUILD because only comments are changed

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extra : rebase_source : 477f0d9660bf5a81b3caceba27a0a2c956b451f5
Bug 1080801 - re-enable popupnotification tests that actually work in e10s, r=mconley
Bug 1080801 - about:newtab session history stuff works in e10s now so enable the test, r=Mossop