Launchpad automatic translations update.
Improvements to the version-information resource in Windows build.

* Add build number to the installer.
* Add bitness to the main executable and DLLs.
* Other minor changes.
Fix download of GTK+ and debug symbols in Windows installer.
Rename the GTK+ and debug symbol bundles in Windows build.
Merge translations.

This should fix the line breaks in some dialogs of the Windows installer for the Brazilian Portuguese language.
Small change for the target directory in Windows build.

A subdirectory for the architecture will be created even when --directory is specified, and the source code bundle will not be generated within the architecture subdirectory anymore, but one level above.
Small improvements in Windows build.

* Remove the upstream version prefix from the product version in version-information resource, by using the full display version (14.1.0) instead of the application version (2.10.10-14.1.0).
* Remove the possible EXTRAVERSION suffix.