Merge pull request #26 from pedroigor/master

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javadoc correction
Merge pull request #27 from pedroigor/master

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Merge pull request #28 from pedroigor/master

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Merge pull request #29 from pedroigor/master

Changing pl-ext dependency to 3.0.0-2013Jan24
Merge pull request #30 from pedroigor/master

Updated PicketLink Extension dependency to 3.0.0-2013Feb01.