misc: replace domain of mercurial-devel ML address by mercurial-scm.org

This patch also adds new check-code.py pattern to detect invalid usage
of "[e-mail]".

Makefile

@@ -141,7 +141,7 b' i18n/hg.pot: $(PYFILES) $(DOCFILES) i18n'
         # xgettext "parse" and ignore them.
 	echo $(PYFILES) | xargs \
 	  xgettext --package-name "Mercurial" \
-	  --msgid-bugs-address "<[e-mail]>" \
+	  --msgid-bugs-address "<[e-mail]>" \
 	  --copyright-holder "Matt Mackall <[e-mail]> and others" \
 	  --from-code ISO-8859-1 --join --sort-by-file --add-comments=i18n: \
 	  -d hg -p i18n -o hg.pot.tmp

contrib/check-code.py

@@ -454,6 +454,8 b' allfilespats = ['
      'use mercurial-scm.org domain URL'),
     (r'mercurial@selenic\.com',
      'use mercurial-scm.org domain for mercurial ML address'),
+    (r'mercurial-devel@selenic\.com',
+     'use mercurial-scm.org domain for mercurial-devel ML address'),
   ],
   # warnings
   [],