Update to 2.2.13 (rhbz#2173097)
- New upstream release 2.2.13
- Bluefish 2.2.13 is a very minor maintenance release
- The biggest update is in the CSS syntax support
- Next to that it improves a few user interface parts, and fixes some very
minor bugs
- It also has some minor improvements for the syntax highlighting in a few
other languages, most notably python