Load Redis configuration from snaplet config

Initializer attempts to set parameters from "redis" section in {environment}.cfg, parameters in snaplets/redis/{environment}.cfg and redis default settings.
Describe config options
Cleanup
Merge config options patch from wiz/patch-1 #2
Bump .C; snaplet-redis-0.1.1
Merge pull request #3 from dzhus/master

snaplet-redis 0.1.1