[BUGFIX beta] deprecate location: 'hash' paths that don't have a forward slash. e.g. #foo vs. #/foo. Also adds much needed test coverage for HashLocation in general
Merge pull request #9388 from jayphelps/hash-location-no-slash-deprecate

[BUGFIX beta] deprecate location: 'hash' paths that don't have a forward slash. e.g. #foo vs. #/foo