Upgrading python buildpack to v1.1.1
Merge remote-tracking branch 'origin/pr/581' into develop

Conflicts:
	config/blobs.yml
Revert "Revert "Update manifest fixtures""

This reverts commit 51da30429f664b1423bf402181da1d0d747ce890.
Revert "Revert "Deploy syslog_drain_binder with doppler on loggregator VMs""

This reverts commit 8b42f7259b1e51f08593087daf5f07a24d9bf056.