SAML Certificate with no password

[travisnoll-target]

containerproxy/src/main/java/eu/openanalytics/containerproxy/auth/impl/saml/SAMLConfiguration.java

Line 138 in 9d8295a

passwords.put(certName, certPW);

The certificate I get from my IDP is not password protected. I'm not experienced with SAML but I feel like if the proxy.saml.encryption-cert-password value is omitted from application.yml it should be excluded from this hash to prevent a null pointer exception.