Add arithmetic op counts to InfoEvaluator

[andrewmilson]

Couldn't see a way to add the counting types without removing Copy from a few places.
Some constraint code is a bit more ugly now :(

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This change is 

[andrewmilson]

• Add FRI layer 0 (WIP) #895
• Return opening positions and query positions per column size in FRI #856
• Make CommitmentSchemeProver::prove_values take ownership #852
• Add arithmetic op counts to InfoEvaluator #832 👈 (View in Graphite)
• Add size estimate for StarkProof #831
• dev

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 93.47826% with 12 lines in your changes missing coverage. Please review.

Project coverage is 91.93%. Comparing base (6e649fc) to head (a46c994).

Files with missing lines	Patch %	Lines
crates/prover/src/constraint_framework/info.rs	93.82%	9 Missing and 2 partials ⚠️
crates/prover/src/core/lookups/utils.rs	66.66%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #832      +/-   ##
==========================================
+ Coverage   91.91%   91.93%   +0.02%     
==========================================
  Files          90       90              
  Lines       12375    12548     +173     
  Branches    12375    12548     +173     
==========================================
+ Hits        11374    11536     +162     
- Misses        892      901       +9     
- Partials      109      111       +2     

Flag	Coverage Δ
	91.93% <93.47%> (+0.02%)	⬆️

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[Alon-Ti]

Reviewed 2 of 15 files at r1, 14 of 14 files at r3, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @andrewmilson and @shaharsamocha7)

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crates/prover/src/examples/poseidon/mod.rs line 30 at r3 (raw file):

use crate::core::ColumnVec;

const N_LOG_INSTANCES_PER_ROW: usize = 0;

It still works with 3 though, right?