Ceilometer middleware now accepts also project names,
so it's not required to gain project UUID [1].
We also switching gnocchi project name to `service` for all scenarios
as it's already whitelisted by default [2]
[1] e2bf485044
[2] 082dabb1b7/ceilometermiddleware/swift.py (L158)
Closes-Bug: #1879192
Change-Id: I40d3178d1b3bd1234ac34c6fa1d0d2bcb7160720