mpdstats: update last_played
mpdstats: update last_played

This fixes #529 and brings back the old behaviour of setting last_played
on every song change regardless of whether it is played to the end or skipped.

marcuskrahl/beets,Kraymer/beets,Wen777/beets,YetAnotherNerd/beets,ttsda/beets,Andypsamp/CODjunit,SusannaMaria/beets,jackwilsdon/beets,MyTunesFreeMusic/privacy-policy,beetbox/beets,arabenjamin/beets,ibmibmibm/beets,beetbox/beets,jcoady9/beets,xsteadfastx/beets,MyTunesFreeMusic/privacy-policy,Andypsamp/CODfinalJUNIT,multikatt/beets,madmouser1/beets,Freso/beets,parapente/beets,sampsyo/beets,lightwang1/beets,bj-yinyan/beets,krig/beets,kelvinhammond/beets,shamangeorge/beets,mathstuf/beets,artemutin/beets,dfc/beets,Andypsamp/CODfinalJUNIT,Wen777/beets,madmouser1/beets,mosesfistos1/beetbox,Andypsamp/CODfinalJUNIT,pkess/beets,madmouser1/beets,untitaker/beets,arabenjamin/beets,artemutin/beets,tima/beets,artemutin/beets,ttsda/beets,YetAnotherNerd/beets,LordSputnik/beets,lightwang1/beets,arabenjamin/beets,parapente/beets,kelvinhammond/beets,mosesfistos1/beetbox,PierreRust/beets,bj-yinyan/beets,drm00/beets,artemutin/beets,untitaker/beets,gabrielaraujof/beets,untitaker/beets,ibmibmibm/beets,untitaker/beets,multikatt/beets,imsparsh/beets,drm00/beets,PierreRust/beets,diego-plan9/beets,jackwilsdon/beets,lightwang1/beets,jcoady9/beets,dfc/beets,Freso/beets,drm00/beets,mried/beets,ruippeixotog/beets,m-urban/beets,kareemallen/beets,Andypsamp/CODjunit,andremiller/beets,xsteadfastx/beets,beetbox/beets,jmwatte/beets,sadatay/beets,sampsyo/beets,mosesfistos1/beetbox,shanemikel/beets,pkess/beets,krig/beets,lengtche/beets,gabrielaraujof/beets,Andypsamp/CODfinalJUNIT,Dishwishy/beets,ttsda/beets,xsteadfastx/beets,YetAnotherNerd/beets,mried/beets,randybias/beets,Dishwishy/beets,mried/beets,Dishwishy/beets,dfc/beets,dfc/beets,arabenjamin/beets,diego-plan9/beets,xsteadfastx/beets,mathstuf/beets,multikatt/beets,randybias/beets,sadatay/beets,sadatay/beets,madmouser1/beets,ruippeixotog/beets,imsparsh/beets,andremiller/beets,kelvinhammond/beets,tima/beets,lengtche/beets,sampsyo/beets,Andypsamp/CODfinalJUNIT,YetAnotherNerd/beets,tima/beets,lengtche/beets,imsparsh/beets,multikatt/beets,bj-yinyan/beets,jcoady9/beets,PierreRust/beets,jmwatte/beets,mosesfistos1/beetbox,asteven/beets,ruippeixotog/beets,lightwang1/beets,SusannaMaria/beets,gabrielaraujof/beets,Andypsamp/CODjunit,marcuskrahl/beets,krig/beets,Kraymer/beets,m-urban/beets,shanemikel/beets,ibmibmibm/beets,diego-plan9/beets,MyTunesFreeMusic/privacy-policy,moodboom/beets,m-urban/beets,gabrielaraujof/beets,asteven/beets,beetbox/beets,SusannaMaria/beets,Freso/beets,shamangeorge/beets,marcuskrahl/beets,jackwilsdon/beets,andremiller/beets,swt30/beets,swt30/beets,moodboom/beets,moodboom/beets,jmwatte/beets,SusannaMaria/beets,shamangeorge/beets,LordSputnik/beets,asteven/beets,m-urban/beets,diego-plan9/beets,shanemikel/beets,jmwatte/beets,pkess/beets,Dishwishy/beets,mathstuf/beets,ttsda/beets,PierreRust/beets,asteven/beets,bj-yinyan/beets,LordSputnik/beets,Andypsamp/CODjunit,kelvinhammond/beets,jcoady9/beets,randybias/beets,Wen777/beets,tima/beets,kareemallen/beets,shanemikel/beets,Andypsamp/CODjunit,parapente/beets,imsparsh/beets,jackwilsdon/beets,parapente/beets,pkess/beets,LordSputnik/beets,mathstuf/beets,swt30/beets,kareemallen/beets,swt30/beets,lengtche/beets,sadatay/beets,marcuskrahl/beets,Kraymer/beets,Kraymer/beets,randybias/beets,shamangeorge/beets,moodboom/beets,MyTunesFreeMusic/privacy-policy,Freso/beets,drm00/beets,ruippeixotog/beets,ibmibmibm/beets,mried/beets,sampsyo/beets,kareemallen/beets