[rset] add convenient first() and last() methods on ResultSet These make life easier for the heavy user of the CW shell. Also aliases entities() with all(); so we end with a pretty consistant set: - .one() - .first() - .last() - .all()

etc/init.d
etc/cubicweb.d
etc/bash_completion.d
usr/bin
usr/share/doc/cubicweb-ctl
var/log/cubicweb
var/lib/cubicweb/backup
var/lib/cubicweb/instances