EZP-21675: Moved latestContent logic to MenuHelper
EZP-21657: Added CriteriaHelper. Refactored DemoController and MenuHelper to use it
EZP-21657: Created FooterController and refactored CriteriaHelper and MenuHelper to be more consistent

One should avoid passing hardcoded parameters to sub-controllers from templates, especially when controllers are supposed to do only one thing.
Merge pull request #20 from ezsystems/latestContent

Fix EZP-21657: DemoBundle: refactor latestContent action