Merge branch 'release/4.0.6' into develop
Bumped version for development after release.
Removed hard-coded references to static resources

  * Also added JSTL dependency
New Feature: MultiLanguageStringRenderers now also work for LocalizedString
Bug Fix: Don't try to cast an MLS to a LocalizedString
Minor Change: Checkbox list renderer now applies to all collections
New Feature: Added utility EL functions to the "fr" taglib

  * Added a function to calculate the checksum for the given URL
  * Added a function to read a resource from a bundle
  * Updated bennu-renderers-example accordingly
[DSI Releaser] prepare release v4.1.0
Merge branch 'release/4.1.0'