Skip ux files from being added to ext_core files
Skip ux files from being added to ext_core files

cjsmith/grunt-sencha-dependencies,pablix/grunt-sencha-dependencies,cjsmith/grunt-sencha-dependencies,mattgoldspink/grunt-sencha-dependencies,pablix/grunt-sencha-dependencies,mattgoldspink/grunt-sencha-dependencies,mattgoldspink/grunt-sencha-dependencies,pablix/grunt-sencha-dependencies,cjsmith/grunt-sencha-dependencies