release 2.0 beta (#3722)

* remove twitter link
* remove WIP file
* adjust release draft message
* reset code coverage threshold back to 0.5
* changed wordings
* re-activate wizard for fixture accounts
* fix repo url and license
* license identifier
* bump version
* moved Kimai 1 import command from core to plugin
* do not traverse into invoice template subdirectories (#3735)
* fix branch alias
* composer update
* switch language on wizard select
* new twig function to create qr code
* fix daily stats in timesheet listing
* improved html invoice templates

tests/Plugin/Fixtures/TestPlugin/composer.json

@@ -5,8 +5,7 @@
   "type": "kimai-plugin",
   "version": "1.0",
   "require": {
-    "kimai/kimai2-composer": "*",
-    "kevinpapst/kimai2": "*"
+    "kimai/kimai": "*"
   },
   "keywords": [
     "kimai",