Added method for accessing ObjectDescriptor
Added method for accessing ObjectDescriptor

git-svn-id: f1f16e7fd6634bd1405f3d991709e5eb3ed978bc@12535 9b982a3c-3ae5-0310-a4bc-d9a3335569bd

apache/zest-qi4j,joobn72/qi4j-sdk,Qi4j/qi4j-sdk,joobn72/qi4j-sdk,Qi4j/qi4j-sdk,apache/zest-qi4j,joobn72/qi4j-sdk,Qi4j/qi4j-sdk,apache/zest-qi4j,ramtej/Qi4j.Repo.4.Sync,Qi4j/qi4j-sdk,apache/zest-qi4j,Qi4j/qi4j-core,ramtej/Qi4j.Repo.4.Sync,Qi4j/qi4j-core,Qi4j/qi4j-sdk,joobn72/qi4j-sdk,ramtej/Qi4j.Repo.4.Sync,apache/zest-qi4j,joobn72/qi4j-sdk,ramtej/Qi4j.Repo.4.Sync,joobn72/qi4j-sdk,ramtej/Qi4j.Repo.4.Sync,ramtej/Qi4j.Repo.4.Sync