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_episodes.tpl.html

@@ -0,0 +1,28 @@
+<!--% query_series_sql = '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
+		 WHERE miniseries.id = ?
+		 ORDER BY name'
+%-->
+<!--% query_shows_sql = 'SELECT
+	id, date, title,
+	duration, summary, notes,
+	explicit, eps.license, tags,
+	hosts.host, hosts.hostid
+	FROM eps
+	INNER JOIN hosts
+	ON eps.hostid = hosts.hostid
+	WHERE series = ? AND eps.date < date(\'now\', \'+1 days\')
+	ORDER BY eps.id DESC
+	'
+%-->