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-correspondent.tpl.html

@@ -0,0 +1,24 @@
+<!--% query_hpr_shows = '
+		SELECT
+		eps.id,
+		eps.explicit,
+		eps.date, eps.license, eps.duration,
+		eps.title, eps.summary, eps.tags,
+		eps.notes,
+		hosts.local_image,
+		hosts.hostid,
+		hosts.host, hosts.email, hosts.profile,
+		miniseries.name AS series, miniseries.id AS seriesid
+	FROM eps
+	INNER JOIN hosts ON eps.hostid = hosts.hostid
+	INNER JOIN miniseries ON eps.series = miniseries.id
+	WHERE hosts.hostid = ? AND eps.date < date(\'now\', \'+1 days\')
+	ORDER BY eps.id + 0 DESC
+	'
+%-->
+<!--% query_hpr_show_count = '
+	SELECT id
+	FROM eps
+	WHERE eps.hostid = ? AND eps.date < date(\'now\', \'+1 days\')
+	'
+%-->