Changes in 0.1.0

Summary

Bugfix - Build docker images with alpine:latest instead of alpine:edge: #20

ARM builds were failing when built on alpine:edge, so we switched to alpine:latest instead.

#20
Change - Initial release of basic version: #1

Just prepared an initial basic version to serve OCS for the ownCloud Infinite Scale project. It
just provides a minimal viable product to demonstrate the microservice pattern.

https://github.com/owncloud/ocis-ocs/issues/1
Change - Upgrade micro libraries: #11

Updated the micro and ocis-pkg libraries to version 2.

#11
Enhancement - Configuration: #14

Extensions should be responsible of configuring themselves. We use Viper for config loading
from default paths. Environment variables WILL take precedence over config files.

#14
Enhancement - Support signing key: #18

We added support for the /v[12].php/cloud/user/signing-key endpoint that is used by the
owncloud-sdk to generate signed URLs. This allows directly downloading large files with
browsers instead of using blob:// urls, which eats memory ...

#18
owncloud/ocis-proxy#75
owncloud/owncloud-sdk#504