* add Dashboards log handler to all known loggers
* add list of last 3 warnings/errors to page
* add note list to page
* create LogHandler for the dashboard
- simple memory log handler which stores the last
64 warnings/errors for the dashboard
* render warnings/errors as note list
* add page for warnings and errors
* fix double defined build target
* add well done message if no errors in the logs
* translate page titles
* more translations
* add Notes page and table for important messages
* add unit tests
* store logging path in Config class
* rename template files and page files
* jump to referer page
- after changing the language, we jump to
the referer page, if the attribute exists
* build and send list of log-files
* rename Download page into Log files
* initialize log-path in test config
* improve dashboard unit tests
- add log file tests
- check content-languages after language switch
* initialize config structure for log-file tests
* add test log file to project
* add sub_dir to test log path
- non files must be skipped. To test this we add
a sub directory to the test log directory
* add german translations
* set quart debug flag for debug versions
* update changelog
