* Use qAsConst.
* Don't search application dir for keyboard and scheme data.
* Use Q_EMIT to call signals, instead of the emit keyword.
* Dropped the deprecated class QLinkedList.
* Don't use 0/nullptr to initialize QFlags.
* Fixed ColorEntry copy operator.
* Disabled the use of copy constructors and assignment operators.
* Check for successful ioctl() calls by testing that the call
did not return -1.
* Fix find_package() developer warning in cmake.
* Use const references wherever possible.
* Handle keyboard commands properly.
OBS-URL: https://build.opensuse.org/package/show/X11:LXQt/qtermwidget-qt5?expand=0&rev=13
