Type-safe wrapper for uri_get_suffix().

Don't pass Path::c_str() to tag_stream_scan() which requires a UTF-8
string.

Replaces StatFile(), with a portable data object.

Apparently, Android's build.xml requires the icon to be available,
even when only running the Java compiler.

Move code from config_global_finish().

Replaces the sticker_domain for Error::domain.

If no name is specified, it'll use the name of the first activity of the
AndroidManifest.xml. And we don't want the apk to be called Settings.apk.