Backed out 7 changesets (bug 824717) for bustage. r=khuey because the webidl hook is dumb

Backed out changeset bd7c604de980 (bug 824717)
Backed out changeset 4c4b8b15da37 (bug 824717)
Backed out changeset fd9e72e50518 (bug 824717)
Backed out changeset d66a08988272 (bug 824717)
Backed out changeset 5eaab20bb1aa (bug 824717)
Backed out changeset c80dbc9a693a (bug 824717)
Backed out changeset 62e12031b8bc (bug 824717)