Don't JIT warmup docs, nor count them as Eval.JitProfileInterpRequests.

Summary: Don't JIT warmup docs, nor count them as Eval.JitProfileInterpRequests,
because they are not normal requests.

Rename Eval.JitWarmupRequests to Eval.JitProfileInterpRequests, in order
to distinguish interpreted profiled requests from warmup requests that
have no purpose besides loading metadata into memory.

Reviewed By: @jasone

Differential Revision: D1502407
Fix normalization of URLs

Summary: Took 3 steps forward and 1 step back with the new normalization of ini settings

URLs became `ur_ls`. That's not good.

Special case it so they become `urls`

Reviewed By: @paulbiss

Differential Revision: D1512894
Make fbmake test runs more noisy

Summary: fbmake requires test output every x minutes. This should do the trick.

Reviewed By: @ptarjan

Differential Revision: D1512500