Curated tags for the microbenchmarks
Rename nqp-moarvm component to nqp-moar

This is shorter and matches rakudo-moar.  If you already have an active
perl6-bench tree, you must either remove components/nqp-moarvm or rename
it to components/nqp-moar.  You should then run `bench setup` followed
by `bench fetch` so that your components tree is back in a consistent state.