Updated Brazilian Portuguese translation
gtkdoc-scan: don't add the title until all declarations have been added

Previously, adding "SomeSymbol" using AddSymbolToList() didn't work
if <TITLE>SomeSymbol</TITLE> was already there, due to regexp in
AddSymbolToList. I fixed the order, rather than the regexp.

https://bugzilla.gnome.org/show_bug.cgi?id=705633
gtk-doc.make: Fix "-chmod: command not found"

Move the '-' before the silence var.
Fixes #701259.
gtkdocize: Take a --srcdir argument

https://bugzilla.gnome.org/show_bug.cgi?id=692367
configure.ac: use the right quoting for the date check

Fixes one issue in #671519
Fix gtkdoc-fixxref.in with strange 2html.vim version

https://bugzilla.gnome.org/show_bug.cgi?id=706438