RD-1414 upload_blueprint: update state when download fails (#2679)
RD-1414 upload_blueprint: update state when download fails (#2679)

The client.blueprints.download call can fail, in which case
the blueprint state must be updated as well. Otherwise the blueprint
is stuck in the 'uploading' state forever.
cloudify-cosmo/cloudify-manager,cloudify-cosmo/cloudify-manager,cloudify-cosmo/cloudify-manager