Add a script to manage IRC perms

Run it whenever there is a change to the YAML channel config.

The script will ensure everyone listed in global has those perms
and anyone else found with access on a channel will be left as-is
except that their access will be limited to the relevant mask.

Move it and the previous change to add a permission checking
script into a new module, 'accessbot'.

Support SSL in both scripts.

Add a 1 second sleep in the check script to avoid flood protection.

Add all known channels to the channel config.

Closes-Bug: 1190296
Change-Id: I5072cb56ae83a70f4fa955362b8db909b2956d70
Merge "Add a script to manage IRC perms"