Considering the (re-)implementation of a built-in web report interface,
it makes sense to move the default back to ara-report instead of
ara-api.
This results in:
- /ara-report/: the web report interface
- /ara-report/api/v1/: the API
Change-Id: I06cdc07f26a39dc356284a2a549f0ea3a4935e1a