CLOUDIFY-2474 remove java build part and install ruby 2.1.0 in travis
CLOUDIFY-2474 remove java build part and install ruby 2.1.0 in travis

codilime/cloudify-manager,konradxyz/cloudify-manager,codilime/cloudify-manager,cloudify-cosmo/cloudify-manager,codilime/cloudify-manager,cloudify-cosmo/cloudify-manager,isaac-s/cloudify-manager,geokala/cloudify-manager,isaac-s/cloudify-manager,cloudify-cosmo/cloudify-manager,konradxyz/cloudify-manager,konradxyz/dev_fileserver,isaac-s/cloudify-manager,geokala/cloudify-manager,konradxyz/dev_fileserver