launcher-buttons: add rename duicontrolpanel=>settings

Conflicts:
	CONFIG_FILES/bin/launcher-buttons
launcher-buttons: include grob

Conflicts:
	CONFIG_FILES/bin/launcher-buttons
launcher-buttons: add rename grob=>browser

Conflicts:
	CONFIG_FILES/bin/launcher-buttons
add duckduckgo search engine
launcher-buttons: add ignored patterns
launcher-buttons: ignore web-search desktop files
add default browser search engine
change browser search engine => duckduckgo
launcher-buttons: reorganize