update...
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/main/java/pt/babyHelp/cloudEndpoints/article/ArticleCE.java
	src/main/java/pt/babyHelp/cloudEndpoints/article/ArticleCreationE.java
	src/main/java/pt/babyHelp/cloudEndpoints/user/UpdateProfessionP.java
	src/main/java/pt/babyHelp/cloudEndpoints/user/parameters/GetRolesP.java
	src/main/java/pt/babyHelp/cloudEndpoints/user/parameters/UpdateRolesP.java
	src/main/java/pt/babyHelp/cloudEndpoints/user/parameters/UpdateUserNameP.java
	src/main/java/pt/babyHelp/services/BHChecker.java
	src/main/java/pt/babyHelp/services/article/ArticleService.java
	src/main/java/pt/babyHelp/validation/BHParameterEvaluater.java
	src/main/java/pt/babyHelp/validation/BHValidator.java
	src/main/java/pt/core/cloudEndpoints/Authorization.java
	src/main/java/pt/core/validation/GlobalError.java
	src/test/java/user/UsersPersistence.java
update...