Added some UML (possibly incorrect) for the upcoming subtitles subsystem reform.

Originally committed to SVN as r1831.

Added some UML (possibly incorrect) for the upcoming subtitles subsystem reform.
2fbe9a8f · Rodrigo Braz Monteiro · 6487948d · 2fbe9a8f · 2fbe9a8f
--- a/architecture/subslib/subtitles.jude
+++ b/architecture/subslib/subtitles.jude
--- a/architecture/subslib/subtitles.png
+++ b/architecture/subslib/subtitles.png