* first round cleanup based on go-critic
* more issues resolved for ifelsechain and unlambda checks
* updated from master and gocritic found a new ifElseChain issue
* disable appendAssign. i reports false positives
* re-enabled go-critic appendAssign and disabled lint check at code line level
* fixed go-critic lint error
* fixed // nolint add gocritic specifically
* add flags to sotrj-sim for SA dbs
* add schema to postgres
* add createschema with parse to sa
* add metainfo db postgres support
* add kv default as bolt
* add debug log to see db source
* add env var for postgres to test-sim.sh
* fix lint errs
* dynamically add postgres to args
* add postgres to integration tests
* add sqlite and postgres integration jenkins
* fix db name
* merge integration tests into one step
* test integration tests w/psql
* try using different schema
* debug failure
* use correct host for running storj-sim
* rm sqlite integration
* add back integration
