will now publish useful messages by default without having to add a logback.xml
added support for using Groovy scripts to invoke morc
improved exception logging and ensure all predicates are evaluated rather than upto the first failure (for better diagnosis).
code tidyup
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/main/java/nz/ac/auckland/morc/MorcBuilder.java
cody tidyup