Add example scripts for javascript(nashorn and rhino).
Add example scripts for python.
Add example scripts for ruby.
Add example scripts for groovy.
Rename some configuration keys.
Remove support for storing player configurations by name.
Add system properties to config.yml
Add flag to use the ENGINE_SCOPE when calling named scripts in scripts/
Rewrite configuration loading to workaround a bukkit bug relating to keys with '.' in the name.
Add support for loading scriptengines dynamically from lib/