Upgrade shade plugin to version 2.1 to allow also to build the project with Maven 3.1
Upgrade shade plugin to version 2.1 to allow also to build the project with Maven 3.1

OlivierCroisier/restangular,matiomlei/restangular,matiomlei/restangular,OlivierCroisier/restangular,matiomlei/restangular