- Moved most of chanset to DynaConfig

- Moved most of chanset to DynaConfig
- Should be able to do multiple chans now, like ".chanset #chan1 #chan2
  #chan3 +autojoin"
- if _default has option and ".chanunset #blah blah" or ".-chan #blah
  blah", set vars on all other channels but remove on the channel
  specific.
- if '.-chan blah' is done and does not exist on _default, remove
  option from all channels.
- command to list which chans have option defined/set for.
- with respective values.
- ".chanset <value>"

git-svn-id: https://svn.code.sf.net/p/infobot/code/trunk/blootbot@348 c11ca15a-4712-0410-83d8-924469b57eb5