\documentclass[a4paper,twoside,final,12pt,openany]{memoir}
\input{commons/all}
\setlength{\parindent}{0em}
\setlength{\parskip}{1em}
\setlrmarginsandblock{1cm}{1cm}{*}
\setulmarginsandblock{2cm}{2cm}{*}
\checkandfixthelayout

\newcommand{\chapref}[1] {
  Cap. \ref{chap:#1} - \nameref{chap:#1}
}