Remove MySQL specific code from site generation code

- site-generator is generic, so no changes.
 - removed mysql information from site.cfg.
 - Updated template files to call sqlite queries directly.
 - Renamed the query files - remove sqlite from file names.
 - Deleted MySQL specific template files.

templates/queries-series.tpl.html

@@ -0,0 +1,15 @@
+<!--% query_episodes = 'SELECT miniseries.id, miniseries.name, miniseries.description, 
+			miniseries.private, miniseries.image, miniseries.valid,
+			ep.number_of_episodes, ep.latest_show, ep.earliest_show
+		FROM miniseries
+		INNER JOIN 
+			(SELECT series, 
+				COUNT(eps.id) AS number_of_episodes,
+				MAX(eps.date) AS latest_show,
+				MIN(eps.date) AS earliest_show
+			 FROM eps 
+			 WHERE eps.date < date(\'now\', \'+1 days\')
+			 GROUP BY series) AS ep ON ep.series = miniseries.id
+		ORDER BY name'
+%-->
+