WICKET-5322 "Source code" link doesn't work at wicket-library.com

Simplify SourcesPage.
Add log4j as compile dependency because the examples failed at start with ClassNotFoundException org/apache/log4j/Level
WICKET-5319 do not encrypt full urls
javadoc for ICrypt
WICKET-5335 After selecting a file MultiFileUploadField does not render properly input field
WICKET-5334 KittenCaptcha example is broken in IE10

Parse the element coordinates as Int before sending them to the server because StringValue("3.1234").toInt(0) will fail with NumberFormatException and return the default - 0.
WICKET-5333 wicket-bean-validation french translation
WICKET-5333 wicket-bean-validation french translation

Use XML properties format
WICKET-5329 "Required" flag initialized too early in PropertyValidator
WICKET-5325 ComponentRenderer.renderComponent does not render markup for ListView
WICKET-5325 ComponentRenderer.renderComponent does not render markup for ListView

Move files related to ComponentRenderer tests in a separate package
WICKET-5325 ComponentRenderer.renderComponent does not render markup for ListView

Add a test case
WICKET-5331 make HTML5 attributes optional
corrected javadoc for visitChildren(Class, IVisitor): class argument may
not be null; deprecated AllVisitFilter in favor of IVisitFilter.ANY
Optimize imports
WICKET-5339 Broadcast.EXACT does not notify Behaviors of target Component
WICKET-5341 JavaDoc for IFormValidator

Improve Javadoc to explain how to report an error.
Remove an old/obsolete TODO
WICKET-5342 added javadoc for nested groups and event bubbling
Fix for issue WICKET-5343
WICKET-5345 Url.canonical() breaks when there are two consecutive "parent" segments followed by a normal segment

Add a unit test that shows the problem
Remove .map files for jQuery.

If a developer wants to debug in production mode then (s)he has to add them explicitly