Song not played due to wrong communication

[hongquan]

Describe the bug

This bug is introduced by #391.
When speaking to susi_linux: "play cheerleader", the main module calls music_server API with "/song/ytd-jGflUbPQfW8" URL. But this URL is not recognized by music_server.

The code

susi_linux/youtube_player/music_server.py

Lines 15 to 17 in 06fd300

	@app.route('/song', methods=['GET'])
	def youtube():
	vid = request.args.get('vid')

clearly shows that, this module expects URL as /song?vid=jGflUbPQfW8, not /song/ytd-jGflUbPQfW8.

I doubt @stealthanthrax carefully tested his code before making PR.

To Reproduce
Steps to reproduce the behavior:

1. Stop susi_linux systemd service
2. Run susi_linux manually (with command python3 -m main)
3. Run journalctl -fu ss-susi-youtube.service to see this service's log.
4. Speak "susi play cheerleader" to SUSI (actually, I spoke "susi play soledad", but Google STT somehow misunderstood me).
5. Look into ss-susi-youtube.service log, I saw this log:

Nov 12 18:38:31 quan-pi-two python3[5814]: 127.0.0.1 - - [12/Nov/2018 18:38:31] "GET /song/ytd-jGflUbPQfW8 HTTP/1.1" 404 -

Expected behavior
susi_linux main module should call correct URL and the song is played.

[sansyrox]

Fixed here : link