so only run these tests on a test server / VM / docker image, not on your live production certmaster instance.
### Misc Changes
-+ 'certmaster-ca --version' reads /etc/certmaste/version instead of func's version file
++ 'certmaster-ca --version' reads /etc/certmaster/version instead of func's version file
+ certmaster-sync doesn't error out if func if not present
+ switched README to README.md