* storagenode/storagenodedb: Migrate to separate dbs
* storagenode/storagenodedb: Add migration to drop versions tables
* Put drop table statements into a transaction.
* Fix CI errors.
* Fix CI errors.
* Changes requested from PR feedback.
* storagenode/storagenodedb: fix tx commit
* internal/dbutil/sqliteutil: Fix error handling, ensure connections are closed
* internal/dbutil/sqliteutil: Separate function to handle conn
* internal/dbutil/sqliteutil: Fix names
- Drops some unused indexes
- Applies a computed index to timestamp columns
- Applies a partial index for expired pieces
- Uses BETWEEN to avoid some datetime calls
- Filters expired piece search by those that aren't NULL
* 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
* Added retry logic and tests for handling if crypto/rand fails.
* Added retry logic and tests for handling if crypto/rand fails.
* Fixing linting error.
* Removing use of `crypto/rand` for use of `math/rand`.
* Changing code comment about why we ignore this error.
* Add Application Name to PostgreSQL Connection String,
if not existing already
* Relocate Check
* Handle Application Name only for Postgres
* URL Encode
* Relocate Function into pgutil
* Fix Error, when ApplicationName is set
* Rename parameter
* Rename Check Value
* Straightline Comment
* Remove fmt Dependency
* Fix Linting Recommendation
