Bug 436108 - Update navigation buttons for Documentation, Download,
Getting Involved and Support for project pages

Change-Id: I699d441b3605f1103c7d2082f086dd83ccc5d253
Signed-off-by: Christopher Guindon <chris.guindon@eclipse.org>
Added updateContribution() in contribution.class.php

Signed-off-by: Edouard Poitras <edouard@eclipse.org>