Update to 0.07
- New upstream release 0.07
- Moved to http://github.com/theory/text-diff-html/
- Switched to a static README.md, rather than a generated README
- Specify all dependencies
- Drop %defattr, redundant since rpm 4.4
- Make %files list more explicit
- Don't need to remove empty directories from the buildroot
- Don't use macros for commands