Reference Issue:   https://github.com/F5Networks/f5-common-python/issues/7
Reference Issue:   https://github.com/F5Networks/f5-common-python/issues/7

Purpose:           The previous README.md had a badge specific to zancas.

Changes:           Inserts the F5Networks badge.

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