* the timestamp of status message was not copied, so every time a status message was sorted or otherwise assigned the ts got lost or wrongly assigned.
* this meant the log messages were in wrong order, leading to very confusing results in the log screen or file.
* also added new timestamp formatter
* new function "BlackMisc::CVariant displayRole(const PQ &pq) const" which can be used if the PQ is already available
* allow upfront checking of formatter roles
* selection mode menus adjusted (data approach no longer worked with CSlot)
* removed unused style sheet parts
* minor View/Model tweaks/formatting
The following issues were fixed
* Fixed wrong/missing namespaces
* Fixed obvious typos in documentation
* Documentation not in sync with source code
refs #544
* improved formatting of aircraft views
* extended settings for render restrictions (such as max. aircraft, max range ...)
* connected new signal / slots in runtime
* Doxygen / formatting
Also refs #351
* messages can be formatted with style sheet
* fixed: removed command from message
* added originator to command line
* msg parsing now in core
* using ITimestampBased for text messages and status messages
* allow to resize rows to content (view base)
* model / views for text messages
* removed old qt stylesheets
* Specialized formatters (e.g. for bool, for PQs etc.) allow specialized look and feel for each column
* Fixed isValidComFrequency used for formatters
* Changed models to use formatters
* Outdated propertyByIndexAsString methods removed
* During the above tasks: fixed override keyword in some places
* Column tooltips
* refs #323, wrong column name fix
