Add the ability for the lumina-desktop menu to be customized further, with an antry for launching the file manager (enabled by default), as well as the option to add specific applications to the menu.
Also update lumina-config to use the new menu config options.
Also update the libLumina function that scans the system applications to include non-Lumina specific apps by default (ignore the DE restrictions unless otherwise specified).
Merge branch 'master' of github.com:pcbsd/pcbsd