Merge pull request #1 from 3stadt/develop

Implemented Groovy as scripting language for !commands
Merge pull request #2 from 3stadt/develop

Switched project to UTF8.
Merge pull request #3 from 3stadt/develop

Added build-impl.xml to gitignore
Added help command
Merge pull request #5 from glyz/develop

Added help command
Removed setMessageDelay
Merge pull request #6 from glyz/develop

Removed setMessageDelay
Merge remote-tracking branch 'github_3stadt/develop' into develop