Limpieza del proyecto.

Se han eliminado archivos de Labra que si los necesitamos seran
añadidos al proyecto de nuevo poco a poco.
	modified:   .gitignore
	modified:   app/Global.java
	deleted:    app/controllers/API.java
	deleted:    app/controllers/Admin.java
	modified:   app/controllers/Application.java
	renamed:    app/models/model/Country.java -> app/models/Country.java
	deleted:    app/models/Indicator.java
	deleted:    app/models/Observation.java
	deleted:    app/models/model/Area.java
	deleted:    app/models/model/Composite.java
	deleted:    app/models/model/Continent.java
	deleted:    app/models/model/Indicador.java
	deleted:    app/models/model/Instant.java
	deleted:    app/models/model/Interval.java
	deleted:    app/models/model/Measure.java
	deleted:    app/models/model/Observacion.java
	deleted:    app/models/model/Provider.java
	deleted:    app/models/model/Province.java
	deleted:    app/models/model/Time.java
	deleted:    app/utils/ExcelReader.java
	deleted:    app/views/bars.scala.html
	deleted:    app/views/country.scala.html
	deleted:    app/views/index.scala.html
	deleted:    app/views/indicator.scala.html
	modified:   app/views/main.scala.html
	deleted:    app/views/observation.scala.html
	modified:   app/views/signup/form.scala.html
	modified:   conf/evolutions/default/1.sql
	modified:   conf/routes
	modified:   test/models/ObservacionesSteps.java