Broken build resolved and added maven 

* Resolved broken builds
* Add "others" directory to formalize the others-libs
* Reordered the directory structure to have a more clear vision of projects
* Introduced maven with this feature:
   * No necessary download/build the action bar sherlock
   * Formalize (and clonable)  a compilation enviroment
   * Continous integration with GitHub/travis_ci
   * To introduce the abillity to run automated unit tests
   * To introduce the abillity to generate automaitc documentation and reports of code quality