HBASE-12999 Make foreground_start return the correct exit code

bin/hbase-daemon.sh

@@ -205,15 +205,15 @@ case $startStop in
     # Add to the command log file vital stats on our environment.
     echo "`date` Starting $command on `hostname`" >> ${HBASE_LOGLOG}
     `ulimit -a` >> "$HBASE_LOGLOG" 2>&1
-    nice -n $HBASE_NICENESS "$HBASE_HOME"/bin/hbase \
-        --config "${HBASE_CONF_DIR}" \
-        $command "$@" start >> ${HBASE_LOGOUT} 2>&1 &
-    echo $! > ${HBASE_PID}
     # in case the parent shell gets the kill make sure to trap signals.
     # Only one will get called. Either the trap or the flow will go through.
     trap cleanAfterRun SIGHUP SIGINT SIGTERM EXIT
-    wait
-    cleanAfterRun
+    nice -n $HBASE_NICENESS "$HBASE_HOME"/bin/hbase \
+        --config "${HBASE_CONF_DIR}" \
+        $command "$@" start >> ${HBASE_LOGOUT} 2>&1 &
+    hbase_pid=$!
+    echo $hbase_pid > ${HBASE_PID}
+    wait $hbase_pid
   ;;
 
 (internal_autorestart)