IMplementado metodo get todas las posicion de yifei (beta)
Implementando funcionalidades varias de UserResource
Commit sergio I
Commit sergio II
Merge remote-tracking branch 'origin/Rama_de_desarrollo' into
Rama_de_desarrollo

Conflicts:
	.gitignore
	.project
	Car-api/.classpath
	Car-api/src/main/java/edu/upc/eetac/dsa/yifeige/Car_api/MediaType.java
	Car-api/src/main/java/edu/upc/eetac/dsa/yifeige/Car_api/PosicionResource.java
	Car-api/src/main/java/edu/upc/eetac/dsa/yifeige/Car_api/model/PosicionCollection.java
	Car-api/src/main/java/edu/upc/eetac/dsa/yifeige/Car_api/model/User.java
	Car-api/target/classes/edu/upc/eetac/dsa/yifeige/Car_api/CarApplication.class
	Car-api/target/classes/edu/upc/eetac/dsa/yifeige/Car_api/MediaType.class
	Car-api/target/classes/edu/upc/eetac/dsa/yifeige/Car_api/PosicionResource.class
	Car-api/target/classes/edu/upc/eetac/dsa/yifeige/Car_api/model/Posicion.class
	Car-api/target/classes/edu/upc/eetac/dsa/yifeige/Car_api/model/User.class
	Car-api/target/m2e-wtp/web-resources/META-INF/maven/edu.upc.eetac.dsa.yifeige/Car-api/pom.properties