Add new dbinterface
Clean up new dbinterface
Remove readme details on postgres
Add default db file path configuration
Re-initialize database before test run
Suppress database logging during tests
Resolve absolute db path in config
Switch new db interface to use db_path config
Always save transaction ledger
Fix transaction hash lookup for validated db entries
Add proper final transaction result check
Fix transaction hash lookup
Do not attempt to resubmit persisted pending transactions
Use only one table to store transaction history
Clear database before test runs
Merge pull request #162 from geertweening/develop

[FEATURE] display version on startup
[TEST] payments mock flow
empty money pool
granting trustlines
trustlines mock response