Fixes: Fix Makefile to build packages in the flattened repo structure.
Fixes: Fix Makefile to build packages in the flattened repo structure.

Problem:
All files under common were moved up to the top level of the
repository and breaks the old Makefile.

Analysis:
Fix make to build files from the revised directory structure.

Unit/Robot tests:
Build: rpms, debs, source, clean and pep8-common

wojtek0806/f5-common-python,F5Networks/f5-common-python,F5Networks/f5-common-python