Fixes for battle
Remember channels on autojoin

Maybe it's useless to do it per-server and it'd be better to be just global. Fix #46
Merge pull request #132 from TheUnknownOne/design

Team creation/deletion
Fix #135
Merge pull request #137 from TheUnknownOne/design

Detect when websocket connection fails
Fix #130, Fix #119
Merge branch 'design' of github.com:po-devs/webclient into design