Eco tec plus vhr nl

[GrumpyMeow]

Hi John,

This is a Pull Request to add support for "Vaillant EcoTEC plus VHR NL" devices.
This are the productcodes:

ecoTEC plus VHR NL
VHR NL 20-24-5-5 0010011701
VHR NL 25-30-5-5 0010011702
VHR NL 30-34-5-5 0010011703
VHR NL 35-38-5-5 0010011704
VHR NL 34-5-5 I 0010011709
VHR NL 25-5-5 S 0010016402
VHR NL 35-5-5 S 0010016403

With the files provided in this PR, i get the following ebusd logging:

[bus notice] scan 08: ;Vaillant;BAI00;0604;5502
[update notice] store 08 ident: done
[update notice] sent scan-read scan.08  QQ=31: Vaillant;BAI00;0604;5502
[bus notice] scan 08: ;Vaillant;BAI00;0604;5502
[main notice] read common config file vaillant/general.csv
[main notice] read common config file vaillant/scan.csv
[main notice] read common config file vaillant/broadcast.csv
[main notice] read scan config file vaillant/08.bai.csv for ID "bai00", SW0604, HW5502
[update notice] sent scan-read scan.08 id QQ=31: 
[update notice] sent scan-read scan.08 id QQ=31: 
[update notice] sent scan-read scan.08 id QQ=31: 
[update notice] sent scan-read scan.08 id QQ=31: 21;14;02;0010011703;0001;005042;N0
[main notice] found messages: 212 (0 conditional on 28 conditions, 0 poll, 10 update)
[update notice] sent scan-read scan.08 id QQ=31: 21;14;02;0010011703;0001;005042;N0
[update notice] sent scan-read scan.08 id QQ=31: 21;14;02;0010011703;0001;005042;N0
[update notice] sent scan-read scan.08 id QQ=31: 21;14;02;0010011703;0001;005042;N0
[update notice] sent scan-read scan.08 id QQ=31: 21;14;02;0010011703;0001;005042;N0
[bus notice] scan 08: ;21;14;02;0010011703;0001;005042;N0

Todo:

• I still have to provide an EN configuration file. I've now provided the DE-version, also as the EN-version.