Fix small issues in mapping file + Add support for D2-05-02

- Fix missing support for Ws in D2-01-XX measurements
- Remove strict entity name search
- Fix issue #112
- Fix missing unit_of_measurement for some voltage entities
- Remove temperature device class for setpoint entities in A5-10-XX. Setpoint is sent unscaled
- Handle position value 127 in D2-05-00 cover entities
- Add support for D2-05-02