databases/rubygem-hiredis: create port

Ruby wrapper for hiredis (protocol serialization/deserialization and blocking
I/O)

WWW: http://github.com/redis/hiredis-rb
devel/rubygem-logster: create port

UI for viewing logs in Rack

WWW: https://github.com/discourse/logster
devel/rubygem-lru_redux: create port

An efficient implementation of an lru cache

WWW: https://github.com/SamSaffron/lru_redux