wrapped auth method check, added SECRET_JWT, closes mitreid-connect#621

Author: jricher

openid-connect-common/src/main/java/org/mitre/oauth2/model/ClientDetailsEntity.java

@@ -352,8 +352,9 @@ public void setAllowIntrospection(boolean allowIntrospection) {
 @Transient
 public boolean isSecretRequired() {
 if (getTokenEndpointAuthMethod() != null &&
-getTokenEndpointAuthMethod().equals(AuthMethod.SECRET_BASIC) ||
-getTokenEndpointAuthMethod().equals(AuthMethod.SECRET_POST)) {
+(getTokenEndpointAuthMethod().equals(AuthMethod.SECRET_BASIC) ||
+ getTokenEndpointAuthMethod().equals(AuthMethod.SECRET_POST) ||
+ getTokenEndpointAuthMethod().equals(AuthMethod.SECRET_JWT))) {
 return true;
 } else {
 return false;