Now with better patch metadata/changelog

Update to version 2.50
* NEW FEATURES
+ Added UTF-8 input and output. Plain ASCII is still available.
+ Added -L option for restoring save file directly from the command line.
+ Added -R option for restricted read/write path.
+ Sound effects in AIFF, MOD, and OGG formats supported per the Blorb specs.
+ Sound driver selection is automated through the use of libao.
+ Allow for an alternative Blorb file to be specified on the command line.
* BUG FIXES
+ Corrected problems with error handling.
+ Fixed a lot of unsafe strcpy() and strcat() calls.
+ Fixed adaptive palette rendering for SDL.
+ Fixed scaling with manually specified window dimensions.
+ Fixed problem with unnecessary newlines with input timeouts.
+ Allow fontdir in .sfrotzrc to work relative to user's home directory.
- Add spacefix.patch to fix compilation
- Add reproducible.patch to drop BUILD_DATE for reproducibility (boo#1047218)
- Drop upstreamed frotz-fix-no-return-nonvoid.patch
and frotz-install-destdir.patch