Changelog:

• Fix crashes due to XInitThreads not being called
• Fix main UI so that it scales with HiDPI displays / large fonts
• Add preference allowing to show apps even if they specify not to show in the current desktop environment
• Prevent "zombie processes" being created when trying to launch an app which is already running
• Make sure ulauncher uses Xwayland when launched from systemd.
• Implement standard shell/emacs ctrl-n/ctrl-p scrolling.

Signed-off-by: Algent Albrahimi <algent@protonmail.com>

• Launch different softwares using this ulauncher.
• Use shortcuts:
  • g to search google.
  • wiki to search wikipedia.
• Install different extensions like:
  • Process Murderer to kill different processes.
  • Github to search gists and repos. This requires the installation of python-pygithub.