IMP-1201: Update thirdparty/squeasel to the latest version (e640905)

This change disables support for HTTP operations PUT, DELETE and others
which are viewed as security risks.

Change-Id: I1fa5e69d206f11c7221edf893a41bd77e253d1d9
Reviewed-on: http://gerrit.ent.cloudera.com:8080/1796
Reviewed-by: Henry Robinson <henry@cloudera.com>
Tested-by: jenkins