[AMBER-77] Update the Oltu website
[AMBER-77] Update the Oltu website

Amber/Oltu is not longer in the incubator, no needs to link to the incubator site - logo updated to link directly to the foundation homepage

git-svn-id: a4d8be2f64efba2c1f29d237e3fd81c1ca7f5b6d@1437446 13f79535-47bb-0310-9956-ffa450edef68

sncap/oltu,englishtown/oltu,apache/oltu,englishtown/oltu,apache/oltu,sncap/oltu