Modificaciones varias y en añadir contribución

...ginquin/smellswisdom/controller/ArticleToolListModel.java

...quin/smellswisdom/controller/MenuAjaxbasedController.java

...f/tfg/ginquin/smellswisdom/controller/SmellListModel.java

...g/ginquin/smellswisdom/controller/SmellToolListModel.java

.../ginquin/smellswisdom/controller/SmellToolListModel2.java

...nf/tfg/ginquin/smellswisdom/controller/ToolListModel.java

...swisdom/controller/element/AddContributionController.java

.../smellswisdom/controller/element/AddSmell2Controller.java

...n/smellswisdom/controller/element/AddTool2Controller.java

...in/smellswisdom/controller/element/AddToolController.java

...f/tfg/ginquin/smellswisdom/domain/Validationevidence.java

src/main/webapp/WEB-INF/zk-label.properties

src/main/webapp/WEB-INF/zk-label_en.properties

src/main/webapp/WEB-INF/zk-label_es.properties

src/main/webapp/pages/user/CharacterisationArticleDetail.zul

src/main/webapp/pages/user/element/AddAuthorship.zul

src/main/webapp/pages/user/element/AddContribution.zul