New ConfigExpress extension relase: 0.3.0

The Config Express extension allows for clients to share more details with the server and the server to push recommended config to the client.

Version 0.3.0 has just been published. It brings various improvements and bug fixes:

• improvement to the extension documentation,
• Mercurial-4.4 compatibility,
• fixes configuration recommendations on windows,
• allows client to send the list of enabled extensions and their version.