Merge pull request #2857 from jamiecoleman92/master

Update Liberty Beta to the latest

library/websphere-liberty

@@ -7,4 +7,4 @@ webProfile6: git://github.com/WASdev/ci.docker@d4bbe6c7382cecde5d1993a266cc1bc3d
 webProfile7: git://github.com/WASdev/ci.docker@d4bbe6c7382cecde5d1993a266cc1bc3df6d29d9 ga/developer/webProfile7
 javaee7: git://github.com/WASdev/ci.docker@d4bbe6c7382cecde5d1993a266cc1bc3df6d29d9 ga/developer/javaee7
 latest: git://github.com/WASdev/ci.docker@d4bbe6c7382cecde5d1993a266cc1bc3df6d29d9 ga/developer/javaee7
-beta: git://github.com/WASdev/ci.docker@d4bbe6c7382cecde5d1993a266cc1bc3df6d29d9 beta
+beta: git://github.com/WASdev/ci.docker@88318f6a21a3d9528cb416f61761579112c72b0f beta