Enable Server Name Indication in HTTPS connections if available in the network implementation under the API
Removed synchronization in independent process to avoid problem in reload of certificates due to separate contexts
Merge branch 'develop' into sni_support_based_on_network_implementation_built_in
Merge pull request #321 from owncloud/sni_support_based_on_network_implementation_built_in

Sni support based on network implementation built in