Release 1.3.1

Features:

• Added export / import (Below settings)
  Care: Import will not merge any data, import overwrites everything.
  Also attachments are ignored and dismissed.
• Added "add" button in table view, and changed font size +/- to magnifying glass

Fixes:

• Temperature slider was still visible when deactivating in settings.

Hotfix:

• Brews couldn't be added anymore cause of template error