Don't swallow InterruptedExceptions when executing an ant task.
Merge commit '12c8d17dea300efa437ac120e833a0da3bd40d7d'

Conflicts:
	src/main/java/org/arachna/netweaver/hudson/nwdi/AntTaskBuilder.java

- reintroduce reading/writing of a development configuration from/to xml
- add resource folders to a development component
- improve dependencies in pom.xml to avoid class loading problems in 
  users of this plugin (especially users of DigesterHelper).