hplip: bump version to 3.14.6, add patch to change confdir to /mod/etc/default.hplip


git-svn-id: file:///var/svn/freetz/trunk@12170 149334a1-2f27-0410-a3b9-fc62619ac1e6
7390labor/7490labor:
 * revise webmenu.patch a bit, be more like AVM
 * refs #2479


git-svn-id: file:///var/svn/freetz/trunk@12171 149334a1-2f27-0410-a3b9-fc62619ac1e6