Merge pull request #1608 from davidcurrie/master

Move websphere-liberty:beta to April release

library/websphere-liberty

@@ -14,4 +14,4 @@ javaee7: git://github.com/WASdev/ci.docker@dcd83cc7fed1612949d63b4f40ee8cfffa7cf
 8.5.5.9: git://github.com/WASdev/ci.docker@dcd83cc7fed1612949d63b4f40ee8cfffa7cfdb4 websphere-liberty/8.5.5/developer/javaee7
 8.5.5: git://github.com/WASdev/ci.docker@dcd83cc7fed1612949d63b4f40ee8cfffa7cfdb4 websphere-liberty/8.5.5/developer/javaee7
 latest: git://github.com/WASdev/ci.docker@dcd83cc7fed1612949d63b4f40ee8cfffa7cfdb4 websphere-liberty/8.5.5/developer/javaee7
-beta: git://github.com/WASdev/ci.docker@ffaebdf53266a1795f2a4f46faa699d3d8195716 websphere-liberty/beta
+beta: git://github.com/WASdev/ci.docker@a1b189b7ab85ba4f4270fc34fe7fcd5a6b82c763 websphere-liberty/beta