- packages must not rely on stuff in package/ outside of their own directory
- python-package.mk is installed to $(STAGING_DIR)/mk
- python-package.mk must not be required at DUMP time
git-svn-id: svn://svn.openwrt.org/openwrt/packages@9387 3c298f89-4303-0410-b956-a3cf2f4a3e73