* avoid re-init of widget if already initialized
* allow icons instead of text for severity radio buttons
* changing severity filter directly triggers new filtering
* use icon for new button
* init this->showFilterBar() as default (otherwise not functional)
* widths for filter bar buttons
* logs only screen in core as default
* find top window, only use Qt::WA_TranslucentBackground on top level (Qt 5.6.1)
* correct presize when insert
* resize ATC when first station is added
* changed signals in setup reader
* explicit mode is default
* detailed information what is loaded
* new log pattern
* allow to add message list to log component
* allow to clear cache by cmd line arg
* consolidated cmd names
* the term "components" will only be used for GUI components (derived from QWidget/ QWidget derived classes) fron now on
* timer, and enabler classes renamed accordingly: CEnableForRuntime, CEnableForDockWidgetInfoArea, CUpdateTimer
* adjusted all dependent classes