CLOUDIFY-2368 temporarily change rest client version for travis
CLOUDIFY-2368 temporarily change rest client version for travis

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