back out of ZenTest 4.9.0 to 4.8.4 due to travis build problems
back out of ZenTest 4.9.0 to 4.8.4 due to travis build problems

amcoder/trusty-cms,zflat/trusty-cms,amcoder/trusty-cms,carols10cents/trusty-cms,pgharts/trusty-cms,carols10cents/trusty-cms,zflat/trusty-cms,amcoder/trusty-cms,zflat/trusty-cms,pgharts/trusty-cms,zflat/trusty-cms,amcoder/trusty-cms,pgharts/trusty-cms,carols10cents/trusty-cms,carols10cents/trusty-cms