Log Message:
Update to 2.03. From the changelog:

- Reverted libbg-cli back to static linkage (for now) to fix problem
  with cli-generate generated code.
- Fixed header include path in cli-generate.
- Rewrote iobuf and str number formatting using fmt.
- Added missing selftest.c file to the dist tarball (oops).
- Fixed uint##.h headers.
- Flattened out the installed headers and libraries.
  NOTE: This means this package is not backwards compatible.
- Added dns library (modified from public domain djbdns-1.05)
- Added wildcard handling and substitution to bg-installer.
- Added reversed IPv4 formatting functions (from Jorge Valdes).
- Added str_end* and str_case_end* functions, parallel to str_start* and
  str_case_start* but for suffixes.
- Added the ability to use arbitrary format functions in fmt_multi.
- Added support for enumerate and itemize in cli-generate.
- Added surfrand_uniform function, protected against bias.