adding Changelog + fixing schema by adding IF NOT EXISTS for table VARIABLE

debian/changelog

@@ -2,8 +2,14 @@ alternc (3.1.9) oldoldstable; urgency=low
 
   * fix missing GLOBALS in various places
   * fix non-installed default_spf_value and default_dmarc_value in variables
+  * fix restarting opendkim at each domain in update_domains instead of only once in the end
+  * fix the infinite loop of inotify_do_actions.sh
+  * enh added a (protected) message saying a file is write-protected
+  * fix a HTML graphical bug when uncompression a tar.gz file
+  * fix crating /etc/opendkim/TrustedHosts BEFORE searching in it
+  * enh refactoring of the code using netbeans IDE auto-formatting + manual smoothing of class code
 
- -- Benjamin Sonntag <benjamin@sonntag.fr>  Wed,  3 Sep 2015 15:53:16 +0200
+ -- Benjamin Sonntag <benjamin@sonntag.fr>  Mon, 16 Nov 2015 08:52:16 +0100
 
 alternc (3.1.8) oldoldstable; urgency=low
 

install/mysql.sql

@@ -385,7 +385,7 @@ INSERT IGNORE INTO tld VALUES ('asia', 1);
 --
 -- if comment is null, then the variable is internal and will not show
 -- up in the generic configuration panel
-CREATE TABLE `variable` (
+CREATE TABLE IF NOT EXISTS `variable` (
   `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
   `name` varchar(48) NOT NULL DEFAULT '',
   `value` longtext NOT NULL,
@@ -393,7 +393,7 @@ CREATE TABLE `variable` (
   `type` text,
   PRIMARY KEY (`id`),
   UNIQUE KEY `name` (`name`)
-) ENGINE=MyISAM;
+) ENGINE=MyISAM COMMENT='Stores AlternC system variable used by panel and scripts, configurable through the panel';
 
 --
 -- Table structure for table `dbusers`