v0.20-beta.5

- dependency updates via @dependabot

v0.20-beta.4: - use alternate java location for RaspberryMatic

- build with Java 1.8

v0.20-beta.3

fix: return correct content-type from update-check.cgi

v0.20-beta.2: * 0.20-beta.2 - 2017/11/29 - hangy

  - Updated more URLs to point to my repository for update checks and downloads.

v0.20-beta.1

- Use a custom `SSLContext` in order to allow a specific SSL/TLS vers…