CC-2535:Need to add creating cron file part in upgrade script

- factor the part into the function
(AirtimeInstall:CreateCronFile())

- fixed 1.9 upgrade script

install/include/AirtimeInstall.php

@@ -404,4 +404,14 @@ class AirtimeInstall
 
         exec("rm -rf \"$path\"");
     }
+    
+    public static function CreateCronFile(){
+        // Create CRON task to run every day.  Time of day is initialized to a random time.
+        $hour = rand(0,23);
+        $minute = rand(0,59);
+        
+        $fp = fopen('/etc/cron.d/airtime-crons','w');
+        fwrite($fp, "$minute $hour * * * root /usr/lib/airtime/utils/phone_home_stat\n");
+        fclose($fp);
+    }
 }

install/include/airtime-install.php

@@ -147,12 +147,6 @@ AirtimeInstall::CreateSymlinksToUtils();
 
 AirtimeInstall::CreateZendPhpLogFile();
 
-// Create CRON task to run every day.  Time of day is initialized to a random time.
-$hour = rand(0,23);
-$minute = rand(0,59);
-
-$fp = fopen('/etc/cron.d/airtime-crons','w');
-fwrite($fp, "$minute $hour * * * root /usr/lib/airtime/utils/phone_home_stat\n");
-fclose($fp);
+AirtimeInstall::CreateCronFile();
 
 /* FINISHED AIRTIME PHP INSTALLER */

install/upgrades/airtime-1.9/airtime-upgrade.php

@@ -124,6 +124,9 @@ CopyUtils();
 removeOldAirtimeImport();
 updateAirtimeImportSymLink();
 
+//create cron file for phone home stat
+AirtimeInstall::CreateCronFile();
+
 
 //need to change database because old format had full path while new database has partial paths
 //also need to add new column