little bash fixes

DOCKER/chain_register.sh

@@ -4,7 +4,7 @@ echo "registering $CHAIN_ID in the grand registry of marmot mayhem and marmalade
 
 # lay the genesis
 # if it exists, just overwrite the chain id
-if [ ! -f $CHAIN_DIR/genesis.json ]; then
+if [ ! -f "$CHAIN_DIR/genesis.json" ]; then
 	"Could not find genesis file in $CHAIN_DIR. Did you run `eris chains new $CHAIN_ID`?"
 	exit 1
 fi
@@ -22,9 +22,13 @@ echo $RES | grep "Incorrect"
 if0Exit "$RES" "Error registering genesis with etcb_testnet"
 echo $RES
 
+echo "successfully registered genesis on etcb chain"
+
 # register the seed/s
 RES=`mintx name --pubkey=$PUBKEY --name="${CHAIN_ID}/seeds" --data="$NEW_P2P_SEEDS" --amt=10000 --fee=0 --sign --broadcast --chainID=$ETCB_CHAIN_ID --wait`
 ifExit "$RES" "Error registering seeds with etcb_testnet"
 echo $RES | grep "Incorrect"
 if0Exit "$RES" "Error registering seeds with etcb_testnet"
 echo $RES
+
+echo "successfully registered seed on etcb chain"

DOCKER/start.sh

 #! /bin/bash
 
 ifExit(){
-	if [ $? -ne 0 ]; then
+	if [[ $? != 0 ]]; then
 		echo "ifExit"
 		echo "$1"
 		for var in "$@"
@@ -13,7 +13,7 @@ ifExit(){
 }
 
 if0Exit(){
-	if [ $? -e 0 ]; then
+	if [[ $? == 0 ]]; then
 		echo "if0Exit"
 		echo "$1"
 		for var in "$@"