status: expose platform info usefull to debug docker LB issues

deps: bump orjson

exc-tracking: synced with ce

core: renamed remote packages to prevent conflicts with builtin libraries like svn core library called same as svn remote

exc-tracking: use more rich style tracebacks.

configs: moved all gunicorn config to python file

mercurial: improve lookup logic and chained exceptions that can happen during that operation.

mercurial: don't raise exceptions on AmbiguousPrefixLookupError

redis-lock: bumped to latest version

blame: use BinaryEnvelope wrapper to handle raw non-ascii content of files