* Name anonymous parameters for clarity
* Add CommitmentConfig to select bank for rpc
* Add commitment information to jsonrpc docs
* Update send_and_confirm retries as per commitment defaults
* Pass CommitmentConfig into client requests; also various 'use' cleanup
* Use _with_commitment methods to speed local_cluster tests
* Pass CommitmentConfig into Archiver in order to enable quick confirmations in local_cluster tests
* Restore solana ping speed
* Increase wallet-sanity timeout to account for longer confirmation time
