GitLab

Only accept 'swift:' scheme for Swift files since transort to be issued is imposed by the storage backend

Remove obsolete methods: retrieving provider-specific authentication information is left to the sub-classes of THttpFile

OpenStack identity Keystone API v2.
From this commit on we use the RapidJSON library [0] for parsing JSON
responses from the cloud servers.

[0] https://github.com/miloyip/rapidjson

Improve rootcint invocation