TSM Release version 49.0.0

Changes

    Database:
    - migrate key data for DKLS19 and SEPD19S to a new format
    Node Communication:
    - Changed protocol implementation for DKLS19 and SEPD19S
    Patch changes (no affect on compatibility):
    - Fixed return signature of GetKeysForUser() due to lack of support in Go Mobile

Versions

    Node Configuration: 10.11
    Client API: 41.1
    Client Communication: 22.3
    Database: 7.4.0
    Node Communication: 20.0 (!)