Fix bug 962225: Support malformed POSTs from FxOS

A patch is in for FxOS, but this should accept the
requests until the device code is fixed. We should
revert this once bug 949170 is fixed and on devices.
Merge pull request #92 from pmclanahan/support-bad-post-fxos-962225

Fix bug 962225: Support malformed POSTs from FxOS