* Removed getAllTransactions method
* Unified getTransactions for users and admins
* Added filter abilities to user transaction view
This should speed up things a fair bit for transaction heavy pools.
Addresses #536
* Currently no GUI, use DB access to change the row entry
* Upgraded Database table `accounts` with upgrade SQL
* Updated `admin` field to `is_admin` as boolean
* Modified pages, classes, templates to support is_admin and is_locked
Addresses #147