Add flatpak user/group and fuse.conf.

etc/.gitignore

@@ -34,6 +34,7 @@
 /exports
 /exports.d/
 /fonts/
+/fuse.conf
 /gai.conf
 /gimp/
 /gprofng.rc

etc/group

@@ -42,3 +42,4 @@ rpc:x:990:
 rtkit:x:989:
 _saned:x:988:
 vboxusers:x:987:
+_flatpak:x:986:

etc/passwd

@@ -12,3 +12,4 @@ ntpd:x:992:991:ntpd unprivileged user:/var/db/ntpd:/sbin/nologin
 rtkit:x:991:990:rtkit unprivileged user:/proc:/sbin/nologin
 pulse:x:990:988:pulse unprivileged user:/var/empty:/sbin/nologin
 tadgy:x:1001:100:Darren 'Tadgy' Austin:/home/tadgy:/bin/bash
+_flatpak:x:989:986:_flatpak unprivileged user:/var/empty:/sbin/nologin