Nexxt

- fix ugly load graphs and division by zeros sometimes occuring due to inaccurate time measurements
- fix display of python component licenses, should use monotype font on all systems now

Fixes
- Fix possible segmentation fault caused by browser widget
- Fix possible deadlock when de-initializing an application
- Fix high memory usage of hdf5 filters

New features
- Add about dialogs
- Icon enhancements
- Context menus in configuration for direct initializing
- Input Ports now support a interthreadDynamicQueue feature for better decoupling between threads

Interface changes
- MainWindow: deprecated passing a string instance to releaseSubplot(...), use a QWidget instance instead
- Add properties to hdf5 writer for specifying buffer sizes
- Input Ports now support default arguments also when using the C++ implementation

Other changes
- Test enhancements, use xvfb for automated gui tests

- c++ interface refactoring: replace legacy names nexT*, NexT* and NEXT* with nexxT*, NexxT* and NEXXT* names, this affects the c++ interface at various places, remove legacy macros for namespaces; c++ fiilters will need an update
- implement copy & paste in graph editor
- fix different time offsets of threads in load display
- update to PySide 5.14.2.3
- potential fix for crash in file dialog
- fix for hdf5 reader's suggested port file dialog filters

Performance improvements for the log view (still a way to go there).
Add load and profiling monitoring.
Filters using dynamic ports can now suggest the port to create via GUI.