Remove two plugin test. Neither work, both depend on cloudbot.util.http which is no longer used.
Some major moving of files

- Move cloudbot/core/* to cloudbot/
- Move cloudbot/util/hook to cloudbot/
- Remove cloudbot/util/* aliases in cloudbot/
- Update all plugins accordingly
Move IrcConnection to cloudbot/implementations/irc.py
Not at all a tracking system
Add support for EventType.action to history
Correction fix for history fix