implemented delete

del_quote function was defined, but couldn't be called from the command
parser
allow channel/server level acl whitelist/blacklisting. fixes #104
remove broken/unused BAM plugin
rename "tagged?" to "is" so it actually works (command names match \w+)
allow nick blacklisting
Merge branch 'delete-command-branch' of github.com:djcrabhat/skybot
reload connection configurations, make admin setting per-connection
make quote deletion admin-only
fix persist_dir creation
tag: sanitize inputs
bf: fix order of operations
Added support for custom bot prefixes
Merge pull request #107 from craisins/master

Added support for custom bot prefixes
add cdecl, remove explain. fixes #108
log: remove raw logging -- it's redundant with formatted logging
Improve weather plugin suggestions

"$city, $state, $country" works better for follow-up searches.
Merge pull request #110 from tomjakubowski/patch-1

Improve weather plugin suggestions
Added crowdcontrol plugin which allows for kick/ban/warnings based on
regex definitions of unwanted chat messages.
add kick/ban/unban helper functions
use PMs for tells -- notices are easy to miss