Add some doc
Move services to a separated file
Add DB model
Add teh Source entity
Add language files
Add spanish translation
Add the Source form
Define the CRUD model and controller
Add navigation pages
Define routes
Add database schema for MySQL
Add dutch translation (WIP)
Remove unncesary service definitions
Update LICENSE
Update module dependencies
Update composer.json
Update README
Update README and composer.json
Update minumun required version of ZF2
Merge pull request #7 from yasselavila/develop

Changes for version 0.1