C14N transformation added for UsScript. Added some EldoS comments. Added new HRI private key.
Merge remote-tracking branch 'upstream/7.1.4' into 7.1.4
Changed namespace prefixes to match SAML_Response_Unencoded_IWS_Working.xml provided by USScript.
Added signature validation test. Refactored xml serialization to pass the test.
Amended serialization to not add BOM to the output stream.
Output XML response no longer contains BOM. Cleaned up the code.
Merge remote-tracking branch 'upstream/7.1.4' into 7.1.4
Added public keys that correspond to latest production private key.
Merge pull request #34 from sergey128/7.1.4

Refactored SAML serialization code. Updated to latest HRI x509 certificate.