SINGA-354 Update travis scripts to use conda-build for all platforms
SINGA-354 Update travis scripts to use conda-build for all platforms

fix the bugs from dump the unittest result.

ijingo/incubator-singa,kaiping/incubator-singa,nusdbsystem/incubator-singa,nudles/incubator-singa,kaiping/incubator-singa,apache/incubator-singa,apache/incubator-singa,nudles/incubator-singa,ijingo/incubator-singa,kaiping/incubator-singa,kaiping/incubator-singa,ijingo/incubator-singa,apache/incubator-singa,ijingo/incubator-singa,nudles/incubator-singa,nusdbsystem/incubator-singa,nusdbsystem/incubator-singa,ijingo/incubator-singa,apache/incubator-singa,apache/incubator-singa,nudles/incubator-singa,kaiping/incubator-singa,nusdbsystem/incubator-singa,nusdbsystem/incubator-singa,nudles/incubator-singa