Ensure that info and fatal output always goes to stderr so not to con…

…taminate stdout as well as ensure we get fatals even when output of cron is sent to /dev/null

cronlock

@@ -17,11 +17,11 @@
 
 function info {
   if [ "${CRONLOCK_VERBOSE}" = "yes" ]; then
-    echo "${1}"
+    echo "${1}" >&2
   fi
 }
 function fatal {
-  echo "${1}"
+  echo "${1}" >&2
   exit 201
 }
 
@@ -69,10 +69,10 @@ function cmd {
   until response=$(raw_cmd "${@}") || [[ $? != 1 && $? != 141 && $? != 142 ]]; do
     # Connection either closed, errored or timed out
     if [ $attempts -ge ${CRONLOCK_RECONNECT_ATTEMPTS} ]; then
-      fatal "Unable to reconnect to redis" >&2
+      fatal "Unable to reconnect to redis"
     fi
     sleep $(($attempts * ${CRONLOCK_RECONNECT_BACKOFF}))
-    info "Redis connection lost, reconnecting..." >&2
+    info "Redis connection lost, reconnecting..."
     connect > /dev/null 2>&1
     attempts=$(($attempts + 1))
   done
@@ -106,7 +106,7 @@ function raw_cmd {
       ;;
     *) # net yet handled
       echo "ERR - Unknown response" >&2
-      info "${response}" >&2
+      info "${response}"
       exit 201
       ;;
     esac