Backout changesets ded0d64f6786:03f041d03f24 and 30cbd1abde1a (bug 935696, bug 933834 and bug 939194) for build bustage.

Bug 933044 - Push style scopes even if we would skip pushing ancestors when there is no ancestor filter. r=bz

Bug 937772.  Make better use of our out-of-band type information for unboxing object-valued return values of DOM getters and methods.  r=h4writer

Bug 938246.  Don't try to tell the JIT that our booleans are 32-bit integers, when they're actually booleans.  r=efaust

Bug 937465.  Warn when cloneNode() and importNode() are used without the boolean "deep" argument on nodes that have kids.  r=sicking

Bug 937462.  Eliminate all uses of cloneNode() and importNode() without the boolean "deep" arg that are not explicitly testing the behavior of that case from the tree, since the semantics of it will change.  r=sicking