Minor ui_meta fix.
Prompt for users without graphic adapter driver installed.
Remove stale code about testing.
Sanae & Kanako rework.
Sakuya: skill rename...
Sakuya: not incrementing turn_count in LunaDial

* Conflict with Kanako's Virtue, and makes nonsense.
Seiga: Remove 'handover' card, which conflicts with Kanako's Virtue.
Switch testing server to mainland China.
Reorder import statement nonsense...
Kanako: skill rework.
Fix debug replay tools.
Kanako: skill tune.
Lobby: do not 'reconnect' to game if dropped user not in game.
Kanako: make Divinity compulsory.
On wire protocol: switch from json to msgpack, with compression

* JSON consumes too much bandwidth....
incr ver, welcome msg.