updated README now that object document modell has been removed.
updated README now that object document modell has been removed.

orientechnologies/blueprints,datablend/blueprints,jwest-apigee/blueprints,iskytek/blueprints,joeyfreund/blueprints,wmudge/blueprints,qiangswa/blueprints,echinopsii/net.echinopsii.3rdparty.blueprints,nish5887/blueprints,germanviscuso/blueprints,tinkerpop/blueprints,maiklos-mirrors/tinkerpop_blueprints,dmargo/blueprints-seas