[fix] Allow mixed Audio&Video playlists

[VioletRed]

Avoid trying to play music videos with PAPlayer.

Fix bug in commit d09993e

[VioletRed]

@FernetMenta, could you take a look at this?

[FernetMenta]

thanks
jenkins build and merge

[VioletRed]

Is there a problem with the OSX_64 building machine? It doesn't seem like it even started building.

Building remotely on OSX-i5-1-macminivault (osx osx64 ios atv2 osx32 darwin osxallbuilds) in workspace /Users/Shared/jenkins/workspace/OSX-64
/usr/bin/git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
/usr/bin/git config remote.origin.url git://github.com/xbmc/xbmc.git # timeout=10
Fetching upstream changes from git://github.com/xbmc/xbmc.git
/usr/bin/git --version # timeout=10
/usr/bin/git fetch --tags --progress git://github.com/xbmc/xbmc.git +refs/pull/:refs/remotes/origin/pr/ +refs/heads/:refs/remotes/xbmc/ +refs/heads/:refs/remotes/origin/ # timeout=40
Checking out Revision 2a5aaae (detached)
/usr/bin/git config core.sparsecheckout # timeout=10
/usr/bin/git checkout -f 2a5aaae # timeout=20
FATAL: Could not checkout null with start point 2a5aaae
hudson.plugins.git.GitException: Could not checkout null with start point 2a5aaae

[FernetMenta]

build error not related