Notify `drop` listeners before `selectedfiles`
Notify `drop` listeners before `selectedfiles`

This fixes #264

relax/dropzone,Beronien/dropzone,StocksyUnited/dropzone,MasazI/dropzone,adamsro/DropzoneS3,johnofkorea/dropzone,arg/dropzone,arg/dropzone,webfatorial/dropzone,hpp592720620/dropzone,rusbelvl/dropzone,NervosaX/dropzone,machty/dropzone,codedogfish/dropzone,cnweibo/dropzone,relax/dropzone,antpaw/dropzone,keitler/dropzone,nhahv/dropzone,johnofkorea/dropzone,sekiyaeiji/dropzone,p0o/dropzone,webfatorial/dropzone,ilucin/dropzone,codedogfish/dropzone,nousdecor/dropzone,Beronien/dropzone,p0o/dropzone,sekiyaeiji/dropzone,johnofkorea/dropzone,kaxan3112/dropzone,dotcs/dropzone,Connectlegendary/dropzone,phizaz/dropzone,danpette/dropzone,cnweibo/dropzone,dotcs/dropzone,lagapollo/dropzone,vojtasvoboda/dropzone,devkf/dropzone,phizaz/dropzone,machty/dropzone,nhahv/dropzone,vojtasvoboda/dropzone,machty/dropzone,vojtasvoboda/dropzone,stanwmusic/dropzone,phizaz/dropzone,SoxFace/dropzone,adamsro/DropzoneS3,keitler/dropzone,gopalindians/dropzone,helbert-rocha/dropzone,Connectlegendary/dropzone,helbert-rocha/dropzone,SoxFace/dropzone,churchs19/dropzone,danpette/dropzone,renyaoxiang/dropzone,hpp592720620/dropzone,Lysholm/dropzone,devkf/dropzone,renyaoxiang/dropzone,bluelovers/dropzone,nousdecor/dropzone,rusbelvl/dropzone,aknuds1/dropzone,57-Wolve/dropzone,kungphanith/dropzone,mochawich/dropzone,hpp592720620/dropzone,codedogfish/dropzone,stayu/dropzone,kungphanith/dropzone,noamkfir/dropzone,noamkfir/dropzone,ilucin/dropzone,perdona/dropzone,aknuds1/dropzone,Beronien/dropzone,exsodus3249/dropzone,devkf/dropzone,perdona/dropzone,un33k/dropzone,dotcs/dropzone,noamkfir/dropzone,churchs19/dropzone,StocksyUnited/dropzone,churchs19/dropzone,relax/dropzone,stayu/dropzone,aknuds1/dropzone,57-Wolve/dropzone,Legume1728/dropzone,un33k/dropzone,57-Wolve/dropzone,bluelovers/dropzone,keitler/dropzone,exsodus3249/dropzone,SoxFace/dropzone,goodwall/dropzone,Legume1728/dropzone,mochawich/dropzone,antpaw/dropzone,helbert-rocha/dropzone,Lysholm/dropzone,MasazI/dropzone,NervosaX/dropzone,arg/dropzone,lagapollo/dropzone,nousdecor/dropzone,webfatorial/dropzone,rusbelvl/dropzone,adamsro/DropzoneS3,antpaw/dropzone,ilucin/dropzone,NervosaX/dropzone,lagapollo/dropzone,kaxan3112/dropzone,goodwall/dropzone,Chrismarcel/dropzone,cnweibo/dropzone,bluelovers/dropzone,mochawich/dropzone,Legume1728/dropzone,stanwmusic/dropzone,un33k/dropzone,stayu/dropzone,Chrismarcel/dropzone,gopalindians/dropzone,stanwmusic/dropzone,kungphanith/dropzone,exsodus3249/dropzone,gopalindians/dropzone,Connectlegendary/dropzone,renyaoxiang/dropzone,p0o/dropzone,Lysholm/dropzone,adamsro/DropzoneS3,kaxan3112/dropzone,nhahv/dropzone,Chrismarcel/dropzone,MasazI/dropzone,StocksyUnited/dropzone,sekiyaeiji/dropzone,perdona/dropzone,danpette/dropzone,goodwall/dropzone