v2.0.0

Merge Checklist:

• Remove all permissions for the ts3_website & test_ts3_website database, as they are no longer needed (#11 (closed))
• Remove all permissions for the ts3_server & test_ts3_server database, as they are no longer needed
• Update database documentation in the wiki accordingly
• Add the following permissions to the query user and update the wiki accordingly (#1 (closed)):
  • b_virtualserver_channel_list, checked
  • b_channel_modify_name, checked
  • b_client_channel_textmessage_send, checked
  • b_channel_join_ignore_password, checked
  • b_channel_join_temporary, checked