Update foreman-proxy to 1.7.0


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373877 35697150-7ecd-e111-bb59-0022644237b5
The gettext upgrade is revealing a bug in the pkg(8) solver, add instruction to
workaround it


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373878 35697150-7ecd-e111-bb59-0022644237b5