Add titles to config file and sort list by title

testdata/5_jobs.cron

@@ -1,5 +1,5 @@
-0 */5 * * * * echo first job
-0 */15 * * * * echo second job
-0 */25 * * * *  echo third job
-0 */35 * * * *  echo fourth job
-0 */45 * * * *  true
+0 */5 * * * * echo first job #first job; every 5m
+0 */15 * * * * echo second job # second job; every 15m
+0 */25 * * * *  echo third job #### third job; every 25m
+0 */35 * * * *  echo fourth job              #4th job; ever 35m
+0 */45 * * * *  true