Renaming tests/app.js to tests/server.js
Using environment variables to connect to Redis service
Make redisclient to lazyload redis.createClient
Removing redisclient import from server.js
Removing commented code from test/env.js
Set ext/redis module to laxy load redisclient;
redisclient will initialize just before any ext/redis method
Removing unused parameter from routes initialization
Removing unused redisclient_loaded control variable
Merge pull request #16 from frontendbahia/lazy_load_redis

Lazy load redis. closes #17