Implementation of HcsDidV2#create; (with some tests);
Implementation of HcsDidV2#resolve; (with some tests);
HcsDidResolver result format has been changed, so probably old code that still references it will be broken;
Remove DidDocumentBase dependency to HcsDidRootKey;
HcsDidResolver result format has been changed, so probably old code that still references it will be broken; Remove DidDocumentBase dependency to HcsDidRootKey;