Upgrading to xmlsec 1.5.4

git-svn-id: https://svn.apache.org/repos/asf/cxf/branches/wss4j2.0-port@1458225 13f79535-47bb-0310-9956-ffa450edef68
[CXF-4901] - OnlySignEntireHeadersAndBody property validation doesn't check if a SOAP Body child was signed

git-svn-id: https://svn.apache.org/repos/asf/cxf/branches/wss4j2.0-port@1458227 13f79535-47bb-0310-9956-ffa450edef68
SamlTokenInterceptor is not checking version of received token against the policy

git-svn-id: https://svn.apache.org/repos/asf/cxf/branches/wss4j2.0-port@1458228 13f79535-47bb-0310-9956-ffa450edef68
Fixed [CXF-4897]

git-svn-id: https://svn.apache.org/repos/asf/cxf/branches/wss4j2.0-port@1458229 13f79535-47bb-0310-9956-ffa450edef68
Fixing build

git-svn-id: https://svn.apache.org/repos/asf/cxf/branches/wss4j2.0-port@1458230 13f79535-47bb-0310-9956-ffa450edef68