incorrect sourcing of libbfa

bin/start.sh

-#!/bin/bash trap "exit 1" ERR
-if [ -n "$1" ]
-then
-	dir="$1"
-else
-	dir=node1
-fi
-SECONDS=$( date +%s )
-cd `dirname $0`
+#!/bin/bash
+
+if [ -z "${BFAHOME}" ]; then echo "\$BFAHOME not set. Did you source bfa/bin/env ?" >&2; exit 1; fi
+source ${BFAHOME}/bin/libbfa.sh || exit 1
 
 function	repeat
 {
@@ -18,6 +13,7 @@ function gen_genesis
     local genesis="${BFANETWORKDIR}/genesis.json"
     test -e "${genesis}" &&
         return
+    SECONDS=$( date +%s )
     bfaconfig account
     nodes=$account
     echo "** If you want extra nodes added, add them to nodes.remote.txt and run $0 again."
@@ -60,9 +56,7 @@ function gen_genesis
 
 # Create a genesis.json if one does not already exist
 gen_genesis
-# Fix on a random port number.
 
-# Do I have IPv6?
 bootnodeid=6c81b38551fec2f1142b58ed65137cc1b7dfdc7b35bc556ef26604c41e30fcdeb12212b3c19913584f71dc7bf87d76cd67fa523e96996c0f148390fb76fdc5f7
 bootnodev6=2800:40:1:6::135
 bootnodev4=200.68.65.135
@@ -71,7 +65,7 @@ bootnodes="enode://${bootnodeid}@[$bootnodev6]:${bootnodeport},enode://${bootnod
 
 set -x
 # Start the miner.
-exec flock --nonblock --exclusive ${dir}/rpcport \
+exec flock --nonblock --exclusive ${BFANODEDIR}/rpcport \
     geth			    \
 	--datadir ${BFANODEDIR}	    \
 	--unlock "$account"	    \