Add config sample files
Add configuration parser
Add config file ignore rules
Add mongo connection string builder & enhance elastic search one
Change getPointFromIp & getCityFromIp methods signature
Add connection string builder middleware
Set proper tests configuration
Use connection string in controllers
Add usage; Refactor; Add arguments(es port, es cluster name, es node name, mongo port)
Read connection variables from configuration files
Fix travis build

Fix typo

Add default mongo test db
Merge pull request #29 from nlegoff/config

Add configuration files