Pass channel when generating HTML indexes

Conflicts:
	src/lgo.py

src/lgo.py

@@ -765,6 +765,10 @@ class Lgo(App):
             cmd.insert(-2, '--stringparam')
             cmd.insert(-2, 'libgo.basedir')
             cmd.insert(-2, self.config.output_dir)
+        if self.config.channels:
+            cmd.insert(-2, '--stringparam')
+            cmd.insert(-2, 'libgo.channel')
+            cmd.insert(-2, self.config.channels[0])
 
         logging.debug('executing %s' % ' '.join(cmd))
         rc = subprocess.call(cmd)