parallelize pilot integration tests (#1821)
parallelize pilot integration tests (#1821)

* bump up the unit test container size in circleci

* parallel codecov jobs

* nits

* nits

* orbs

* grand workflow

* |

* bug fixes

* shasum

* fixes

* simpler cache check

* maxprocs=4

* partial codecov

* maxprocs=6

* remove bazel from integration tests

* fix bad merge

* fix script

* fix working dir

* make wd

* fix script

* fix

* relative root fix

* relative all

* push/pop

* assorted fixes

* missing file

* fix integration test dir

* static builds

* really static build

* cgo_enabled=0

* typo

* enable other unit tests in circleci

* parallelize pilot int tests

* nits

* nits

* nit codecov tags

geeknoid/istio,frankbu/istio,geeknoid/istio,frankbu/istio,smawson/istio,frankbu/istio,geeknoid/istio,smawson/istio,istio/istio,geeknoid/istio,geeknoid/istio,istio/istio,frankbu/istio,smawson/istio,frankbu/istio,istio/istio,smawson/istio,smawson/istio,istio/istio,geeknoid/istio,istio/istio,frankbu/istio,smawson/istio