Bug 1031945.  Don't expose showModalDialog on Window if it's preffed off.  r=smaug
Bug 1037271.  When loading sandboxed without a loading principal, just create a NullPrincipal instead of asserting and misbehaving.  r=smaug
Bug 1041646.  Don't assume mStack is non-null in JSStackFrame, since people sometimes operate on them after unlinking.  r=khuey
Bug 1044049.  Bump bindings to unify 32 files per unified file instead of 16, since we keep getting more bindings.  r=ehsan