Add boto and moto as dependencies.
Add S3 bucket utils.
More readable default setting in mk_bucket.
Rename mk_config to patch_s3_settings to better describe what it does.
Put spaces around operators in default minimum size definition.
Add test for failure to upload a chunk.
Merge branch 'feature/issue-1080-s3-utils' into develop
Merge branch 'develop' of github.com:praekelt/vumi-go into develop

Conflicts:
	setup.py