-Bugfix overflow toolbar
-Correcta implementación de ModuleScreen

 Please enter the commit message for your changes. Lines starting
 On branch dev
 Changes to be committed:
	modified:   module-core/src/main/webapp/resources/css/screen.css
	new file:   module-core/src/main/webapp/resources/img/icons/16/add_round.png
	new file:   module-core/src/main/webapp/resources/img/icons/16/edit.png
	new file:   module-core/src/main/webapp/resources/img/icons/16/list.png
	modified:   module-core/src/main/webapp/resources/js/base/view/ModuleScreen.js
	modified:   module-core/src/main/webapp/resources/js/base/view/Visualization.js
	modified:   module-core/src/main/webapp/resources/js/core/view/people/ListToolbar.js
	modified:   module-core/src/main/webapp/resources/js/core/view/people/Main.js