COMMON: Fix order of languages.

These are sorted according to the alphabetical order of the description. Thus,
Croatian should be between Chinese (Taiwan) and Czech.
COMMON: Add Latvian language code.
WINTERMUTE: Add Reversion: The Escape 1.3.2369 release.

This release has different hashes and file sizes than the previous Reversion
1.3 entries but is marked as 1.3.2369 in the installer filename.
WINTERMUTE: Fix typo in Polish language filename in Reversion1.
WINTERMUTE: Skip Latvian language package if not selected.