Exclude untested and unfinished quickstarts from Beta release

With JBoss EAP 7.1.0.DR13 quickstart release, a number of new quickstarts has been included. In the future, those quickstarts will show off new or yet unpresented features, but so far, they have not been updated or tested.

The quickstarts:

• ejb-security-plus
• helloworld-client-ssl
• helloworld-ssl
• helloworld-war-ssl
• helloworld-websocket
• security-vault-askpass