Since installer is not part of neither alpha nor beta release, we can use GA name for quickstarts target directory now.

Reproduce:
Install quickstarts into ${QS_TARGET} directory
Actual:
${QS_TARGET}/jboss-eap-7.0.0.DR7-quickstarts
Expected:
${QS_TARGET}/jboss-eap-7.0.0.GA-quickstarts