Comment the scripts in system/bin

Signed-off-by: Severin Kaderli <severin.kaderli@gmail.com>

system/bin/twitch.sh

@@ -1,11 +1,17 @@
 #!/bin/bash
+# 
+# SCRIPT NAME:
+# twitch.sh
 #
-# This script simply uses livestreamer <http://docs.livestreamer.io/> to
-# stream a twitch stream. It's only a little shortcut, so I don't have to
-# type so much.
+# AUTHOR:
+# Severin Kaderli <severin.kaderli@gmail.com>
 #
-# Usage: ./twitch.sh USERNAME [RESOLUTION]
-
+# DESCRIPTION:
+# This script loads a Twitch livestream in a local video player
+# using streamlink.
+#
+# USAGE:
+# ./twitch.sh USERNAME [RESOLUTION]
 if [[ -z $1 ]]; then
   echo "Please enter a username!"
   exit 1
@@ -14,7 +20,7 @@ fi
 if [[ -z $2 ]]; then
   resolution="best"
 else
-  resolution="$2"
+  resolution="${2}"
 fi
 
-streamlink -v -l debug "twitch.tv/$1"  "$resolution"
+streamlink "https://twitch.tv/${1}"  "${resolution}"