JERSEY-2250 - Re-enable several examples after package scanning fix and after optional Jersey WLS integration in Hudson

Change-Id: Iedc9bb80c3bde044a8b44bcc59a8fe8bd3cbb24b
MINOR change - comment type in freemarker-webapp switched to non-html (not sent in html output)

Change-Id: Ia093cdcf5d14682a9a200d485bb2a32e842e37cc