Merge branch 'release/4.2.1' into develop
[DSI Releaser] prepare for next development iteration
Updated to 5.0.0-SNAPSHOT
Removed support for tiles

  * Also made the @Forward and @ExceptionHandling annotations
    repeatable
GenericChecksumRewriter no longer adds checksums to images

  * Updated ImageObjectRenderer to introduce the checksum
Removing deprecated JDom dependency
Refactor: Extracted Struts out of the Renderers Core

  * Created the bennu-struts module
Bug Fix: Added required commons-collections dependency

  * Added on runtime scope, so no code is written against it
Using the new FenixEdu Maven Repository and FenixEdu Maven 2.2.0
Integrating develop into master for the new branching model
  * For reference see https://confluence.fenixedu.org/display/FENIXEDU/Methodology