Fixed command BITCOUNT arguments.
Document Pub/Sub and db number scope
add examples for set-related store commands
fix typo

- s/an hash/a hash
fixed typo
Fixed typo in partitioning.md
Added entry for aredis java client in clients.json.
Minor change to the description of aredis.
Blanked out author tag for aredis in clients.json since author msuresh
does not have a twitter account.
typo & grammar fixes, other minor edits

Typos: (quite vs quiet, text vs test)
A couple of capitalization fixes.
A few small English grammar improvements.
fixed typos in http://redis.io/topics/quickstart
Typos.
grammar fixes and rewording in persistence docs
update readme with parse task dependencies
Add note to restart redis after `vm.overcommit_memory` changes

Redis needs to be restarted after a sysctl `vm.overcommit_memory` change to take effect.
Minor typo fix in protocol documentation.
Documented included libraries and added examples.
Documented that migrate options are only available in 2.8

Fixes antirez/redis#506
Added GNU Prolog client information
Minor grammar corrections