One Click Miner vNext 2.1-beta1

This is the first beta release of OCM 2.1. This release contains:

• Include vertcoinpool.com (thanks @sylvesternumski @vertiond)
• Fixed typo in German translation (thanks @friggingee )
• Changed Hashalot fee back to fixed in stead of dynamically retrieved from API (SteveO)
• Few dependencies updated (thanks @dependabot)
• Updated pool names (thanks @vertiond )
• Few smaller fixes by @vertiond @sylvesternumski @ehusby

Thanks to all contributors.

The ZIP files are signed with my PGP key
The executables are signed with Vertcoin Foundation's Code Signing certificate