Added generics.
Upgraded version of JUnit, added checkstyle.
Fixed checkstyle problems, mostly using proper calls to static methods.
Removed the "true" arguments that are not really html.
Replaced script tag with html code.
Type safe iterator.
Fixed checkstyle problems, mostly using a static call to the formatter.
Updated the taglib of the demo with the latest version.
Removed obsolete import.
Updated the version used for a tag.
