Add login support for ngIRCd

This is implemented via the accountname METADATA command
For ngIRCd, on nick change set mode -R
Sort parameters and correct comments
Save unconfirmed status and passcodes in the database.
Fix db_sql_live to not reinsert all records if there are extra columns.
Plexus has no chmode +r
Add logging to several operserv commands
Show what kind of nick protection is enabled in /ns info
Create persistent channels on startup, which used to work and got lost somewhere
Fix some oddities with using persistent channels with no botserv
Send list modes to uplink when bursting
Fix issues with persist + keepmodes
Fix /os modes clear all not clearing all status modes
Fix operwall on ratbox/plexus
Dont apply mlock in SetCorrectModes since that just recursively calls itself unncessarially
Change command logging to show the command name and not the service name
Merge pull request #22 from fgsch/misc

Better ngIRCd support