Add Italian partial man pages translation

[guillem@debian.org:
 - Fix POD markup.
 - Add po4a configuration and addendum. ]

Closes: #711647

Signed-off-by: Guillem Jover <guillem@debian.org>

debian/changelog

@@ -146,6 +146,9 @@ dpkg (1.17.0) UNRELEASED; urgency=low
   * Fix typo in Spanish translation of update-alternatives.
     Thanks to Javier Fernandez-Sanguino <jfs@debian.org>. Closes: #713020
 
+  [ Added man page translations ]
+  * Italian (Beatrice Torracca). Closes: #711647
+
   [ Updated man page translations ]
   * Fix wrong translation of "fortify" in French dpkg-buildflags(1) man page.
     Thanks to Christian Perrier <bubulle@debian.org>. Closes: #712976

man/.gitignore

@@ -2,6 +2,7 @@ de
 es
 fr
 hu
+it
 ja
 pl
 pt_BR

man/po/it.add

@@ -0,0 +1 @@
+PO4A-HEADER:mode=after;position=^\.TH;beginboundary=FakePo4aBoundary

man/po/po4a.cfg

@@ -1,4 +1,4 @@
-[po4a_langs] de es fr hu ja pl pt_BR ru sv
+[po4a_langs] de es fr hu it ja pl pt_BR ru sv
 [po4a_paths] po/dpkg-man.pot $lang:po/$lang.po
 
 # Make sure the man pages are generated with the right encoding.
@@ -7,6 +7,7 @@
                  opt_es:"-L ISO-8859-1     -A utf-8"      \
                  opt_fr:"-L ISO-8859-1     -A utf-8"      \
                  opt_hu:"-L ISO-8859-2     -A utf-8"      \
+                 opt_it:"-L ISO-8859-1     -A utf-8"      \
                  opt_ja:"-L euc-jp         -A utf-8"      \
                  opt_pl:"-L ISO-8859-2     -A utf-8"      \
                  opt_pt_BR:"-L ISO-8859-1  -A utf-8"      \