* Update blockstore method to allow return of unfinalized signature
* Support confirmed sigs in getConfirmedSignaturesForAddress2
* Add deprecated comments
* Update docs
* Enable confirmed transaction-history in cli
* Return real confirmation_status; fill in not-yet-finalized block time if possible
(cherry picked from commit da27acabcc
)
Co-authored-by: Tyera Eulberg <teulberg@gmail.com>