close channel when exception happens
use org.joda.time.format.DateTimeFormat for parsing java.util.Date as well as it provides an easy thread-safe parsing solution
Merge pull request #1071 from nremond/threadsafe_date

Thread safe use of java.util.SimpleDateFormat
Merge pull request #1062 from nraychaudhuri/1044_handle_exception

close channel when exception happens
Improved scaladocs for Application.getFile/resource methods, and removed very unhelpful and wrong example code
Extracted code samples from JavaAkka.md