Install mp3wavweb.conf in the way Ubuntu 14.04 expects.

Install it in conf-available, not conf.d.  Use a2enconf to enable it.

Makefile

@@ -18,7 +18,8 @@ mp3wavweb.conf: Makefile
 
 install: all
 	mkdir -p $(WSGIDIR)
-	cp mp3wavweb.conf /etc/apache2/conf.d/
+	cp mp3wavweb.conf /etc/apache2/conf-available/
+	a2enconf mp3wavweb
 	echo "BASE = '$(AUDIOROOT)'" > $(WSGIDIR)/mp3wavcfg.py.tmp
 	echo "socketpath = BASE + \"/mp3-cache/.sock\"" >> $(WSGIDIR)/mp3wavcfg.py.tmp
 	mv -f $(WSGIDIR)/mp3wavcfg.py.tmp $(WSGIDIR)/mp3wavcfg.py