Fix static table and change log.

Change duplicate "from" to "host" in static table (thanks Tatsuhiro).
Updated link to change log.
Update examples (incomplete).

Update examples without Huffman.
Need to update those with Huffman.
Need to add those from #297.
On finished this will also address (#312 and #313).
Merge branch 'master' of github.com:http2/http2-spec
Merge branch 'master' into octets