Feature room bot can be removed after disconnection

[VincePaulin]

Added the ability to delete a room with a Bot Bridge after trying to disconnect from it.

[ignyx]

Many good things ! Some parts should be broken down into smaller components/functions/variables for better readability. Some errors appear not be handled. Looks great otherwise !

[ignyx]

Multiple things arose while initially testing :

• the pinging loop does not stop when the user leaves the network page (ping messages are still being sent)
• failed to identify an error message (below), but should consider any unknown message as an error
• pinging loop should stop after a certain number of failed tries (maybe 10) instead of a while (true) condition

Unrecognized error message :

You are not whitelisted to use this bridge.

If you are the owner of this bridge, see the bridge.permissions section in your config file.

Testing was done on alpha, which explains the whitelisting issue. However this should be treated as an error and not ping indefinitely. Note that after sending the whitelist error message, the bridge bot leaves the room.

[ignyx]

Looks very good ! A few minor details

[ignyx]

Awesome ! One detail : the login username password message was sent one too many times, so it is not automatically deleted by the bot (in the screenshot I deleted it manually).

[ignyx]

LGTM