CC-1942: Add ability to set timezone in preferences

-Can change the timezone for PHP. Need to change for python as well.

install_minimal/include/AirtimeInstall.php

@@ -294,6 +294,18 @@ class AirtimeInstall
         return true;
     }
     
+    public static function SetDefaultTimezone()
+    {
+        global $CC_DBC;
+
+        $sql = "INSERT INTO cc_pref (keystr, valstr) VALUES ('timezone', 'America/Toronto')";
+        $result = $CC_DBC->query($sql);
+        if (PEAR::isError($result)) {
+            return false;
+        }
+        return true;
+    }
+    
     public static function SetImportTimestamp()
     {
         global $CC_DBC;

install_minimal/include/airtime-db-install.php

@@ -50,6 +50,7 @@ AirtimeInstall::SetAirtimeVersion(AIRTIME_VERSION);
 // set up some keys in DB
 AirtimeInstall::SetUniqueId();
 AirtimeInstall::SetImportTimestamp();
+AirtimeInstall::SetDefaultTimezone();
 
 if (AirtimeInstall::$databaseTablesCreated) {