Rearrange into a src tree, add configuration file, readline prompt from roboJar

--HG--
rename : app.js => src/app.js
rename : controllers/c_exceptions.js => src/controllers/c_exceptions.js
rename : lib/broadcast.js => src/lib/broadcast.js
rename : lib/redis.js => src/lib/redis.js
rename : models/m_exceptions.js => src/models/m_exceptions.js
set up status lines with actual info