Update dist scripts

Author: andreh11

dist/osx/build.sh

@@ -10,5 +10,5 @@ mkdir deploy/usr/share/applications;
 find . \( -name "moc_*" -or -name "*.o" -or -name "qrc_*" -or -name "Makefile*" -or -name "*.a" \) -exec rm {} \;
 cp -R core/* desktop/* deploy/usr/bin
 unset QTDIR; unset QT_PLUGIN_PATH ; unset LD_LIBRARY_PATH;
-macdeployqt deploy/usr/bin/desktop.app -libpath core/
+macdeployqt deploy/usr/bin/desktop.app -libpath=$BUILD_DIR/core
 tree