Edit section about errors and discuss sending integers in multibulk replies
Add Credis to list of PHP drivers.
Update topics/whos-using-redis.md
Update clients.json
Added Clojure client: "Carmine".
Fixed a bug in the Ruby EVAL example.
Handle multibyte values in sample protocol generator

* Length needs to be number of bytes not number of characters
* Fixes 'RR Protocol error: expected '$', got ' error
* Ruby 1.8.7+ compatible
Added CLIENT LIST and CLIENT KILL commands.
Fixed complexity display glitches for some commands.
Refreshed benchmark page.
(mentioned new pipeline option, ethernet packet size impact, etc ...)
Fixed data size graph
First drop of info command documentation
INFO command documentation drop 2
topics/latency.md: typo
Update topics/sentinel.md

Typo
rm trailing whitespace
typos
Merge remote branch 'upstream/master' into client_command
INFO command final drop
Minor INFO fixes