Grunt fine tune it

[brauliodiez]

Base grunt processing added, pending:

• Install locally run and check that all dependencies are ok
• Refactor commands:
  • Grunt --> Launch connect server (this is done now manully under tools folder), we can check here yo template.
  • Grunt Build --> Performs the build (minify etc), right now this task is setup as default
  • Grunt test --> already implemented launch tests