added config
Now specifying Ruby 2.1.0.
Updated bundle.
The non-Rails ZMQ tasks need the constant LOG_REDIS_NODE.

Added code to read and define this value directly from config/config.yml.
The path is relative to the Rails app directory.'
Updated bundle. Reenabled ZeroMQ logging.
Removed the Redis check in /alive.
Merge remote-tracking branch 'upstream/master'
merged upstream