twfb: Change additional fortune ID to `0` to make validator happy
Bump CMake minimum required version to 2.8
twfb: Listen on all interfaces by default, not only localhost.
Revert "Fix test expectations after changing HTML escaping policy"

This reverts commit 810aefeabc as a consequence of 94fcc6bd48.
Try to find zlib and pthreads before setting CFLAGS.

This is to see if Lwan will build under Travis-CI for Techempower's Web
Framework Benchmark.  For some reason it is not finding pthreads, but
since I can't really debug, this is just a hunch.
twfb: Travis-CI has only an older version of SQLite.
twfb: Also request an older sqlite on freegeoip.
Define static_assert() using _Static_assert
Only use -ffat-lto-objects if supported by compiler
Only use __builtin_cpu_{init,supports}() if supported by compiler
Find all libraries before setting CFLAGS
lwan.ws: Reformat FAQ to use <h3> for question headers.
No need to set USE_HARDWARE_CRC32 anymore.

Murmur3 is always built now.
lwan.ws: Explain better the API example.