Move ballista standalone mode to client

[edrevo]

Which issue does this PR close?

Closes #588.

What changes are included in this PR?

• Standalone feature in client lib
• Removed --local param in executor

Are there any user-facing changes?

Yes, the executor no longer has a --local mode.

[edrevo]

cc @andygrove

[codecov-commenter]

Codecov Report

Merging #589 (697dd15) into master (51e5445) will increase coverage by 0.06%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #589      +/-   ##
==========================================
+ Coverage   76.02%   76.08%   +0.06%     
==========================================
  Files         156      158       +2     
  Lines       27063    27115      +52     
==========================================
+ Hits        20575    20631      +56     
+ Misses       6488     6484       -4     

Impacted Files	Coverage Δ
ballista/rust/client/src/columnar_batch.rs	0.00% <ø> (ø)
ballista/rust/client/src/context.rs	0.00% <0.00%> (ø)
ballista/rust/executor/src/execution_loop.rs	0.00% <ø> (ø)
ballista/rust/executor/src/main.rs	0.00% <0.00%> (ø)
ballista/rust/executor/src/standalone.rs	0.00% <0.00%> (ø)
ballista/rust/scheduler/src/lib.rs	20.81% <ø> (ø)
ballista/rust/scheduler/src/standalone.rs	0.00% <0.00%> (ø)
benchmarks/src/bin/tpch.rs	30.98% <0.00%> (+0.14%)	⬆️
... and 3 more

---

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[jimexist]

1.53 is out now

[edrevo]

i have 2 more PRs open. i'll change it in one of the other ones, if that's ok

[edrevo]

Build failure seems like a Cargo issue. I've opened rust-lang/cargo#9608. Let's see if they confirm it is a bug or not.

[edrevo]

@andygrove, this one should be ready for merge