* display proxy version on dashboard
* add MQTT page
* styles adjusted on the different pages
- use same colors
- add bordered shadow to all cards and tables
* fix unit tests
* migrate the conn table to a general table
- rename the template file
- get headline from table description
* remove footer from index page
* make version string translateable
* cleanup
* remove stripped table rows
* add mqtt info table
* translate mqtt page
* don't fetch notes list for the log-page
* fix Mqtt init call for unit tests
* add mqtt-fetch test
* check received counter in unit test
