Merge pull request #8 from nobitis/develop

Develop
Merge pull request #9 from tienwebsoc/WSM-5

WSM-5 #comment create file wsmusic.xml
create 2 empty file wsmusic.php and wsmusic.xml
add helper_wsmusic & wsmusic.php in backend
test
Merge remote-tracking branch 'upstream/develop' into develop
WSM-7 add 3 table artist,track,playlist
WSM-7 #query create 3 table in admin/install.mysql.utf8.sql :com_wsmusic_track,com_wsmusic_artist,com_wsmusic_playlist
Merge pull request #10 from lightindark/develop

Develop
WSM-8 #create view tracks in backend
WSM-8 #create view tracks in backend
WSM-8 #hot fix
Merge branch 'WSM-8' of https://github.com/lightindark/wsmusic into WSM-8

Conflicts:
	component/admin/wsmusic.php
WSM-8 #hot fix
Merge pull request #14 from lightindark/WSM-8

Wsm 8
WSM-13 #fix install pack_wsmusic