LB-1394 Grunt refactor with load-grunt-config and splited tasks into tasks/options

Added config.json with all server and default app behaviour configuration.
Package.json fixed with the proper information.
Jshint option added maxdepth maxstatements, and fixed maxcomplexity.
Change README.md to reflect our ways.
Added travis information for now just hint with jshint.
LB-1394 Added missing tasks and travis file