Merge pull request #113 from jl777/dev

change notaries RPC default to current height

src/rpcblockchain.cpp

@@ -464,7 +464,7 @@ Value notaries(const Array& params, bool fHelp)
     LOCK(cs_main);
     int32_t height = atoi(params[0].get_str().c_str());
     if ( height < 0 )
-        height = 0;
+        height = chainActive.Tip()->nHeight;
     //fprintf(stderr,"notaries as of height.%d\n",height);
     //if ( height > chainActive.Height()+20000 )
     //    throw JSONRPCError(RPC_INVALID_PARAMETER, "Block height out of range");