[maven-release-plugin] prepare release org.apache.sling.engine-2.6.0
[maven-release-plugin] prepare release org.apache.sling.engine-2.6.0

git-svn-id: 6eed74fe9a15c8da84b9a8d7f2960c0406113ece@1756895 13f79535-47bb-0310-9956-ffa450edef68

headwirecom/sling,awadheshv/sling,tmaret/sling,ieb/sling,headwirecom/sling,headwirecom/sling,trekawek/sling,mikibrv/sling,labertasch/sling,mikibrv/sling,labertasch/sling,ieb/sling,awadheshv/sling,labertasch/sling,Nimco/sling,vladbailescu/sling,trekawek/sling,anchela/sling,JEBailey/sling,ist-dresden/sling,anchela/sling,mikibrv/sling,roele/sling,Nimco/sling,labertasch/sling,Nimco/sling,cleliameneghin/sling,JEBailey/sling,ist-dresden/sling,awadheshv/sling,tmaret/sling,mikibrv/sling,trekawek/sling,ieb/sling,cleliameneghin/sling,mikibrv/sling,roele/sling,labertasch/sling,ieb/sling,anchela/sling,ist-dresden/sling,tmaret/sling,anchela/sling,mcdan/sling,cleliameneghin/sling,headwirecom/sling,cleliameneghin/sling,mcdan/sling,headwirecom/sling,trekawek/sling,awadheshv/sling,awadheshv/sling,JEBailey/sling,ist-dresden/sling,ieb/sling,mcdan/sling,roele/sling,cleliameneghin/sling,roele/sling,tmaret/sling,ieb/sling,roele/sling,mcdan/sling,JEBailey/sling,vladbailescu/sling,ist-dresden/sling,vladbailescu/sling,JEBailey/sling,anchela/sling,Nimco/sling,Nimco/sling,vladbailescu/sling,mcdan/sling,Nimco/sling,mikibrv/sling,vladbailescu/sling,trekawek/sling,tmaret/sling,awadheshv/sling,mcdan/sling,trekawek/sling