Merge pull request #33 from danielalencar/master

[Evaluations]
Merge pull request #34 from danielalencar/master

Evaluations on server
Removing URL_SERVER_DANIEL constant

This is util because you dont need change in some files
when you can change the URL. Now, just comment/uncomment
the lines in util/Constants.java file
Using a user mock to save evaluation
Improving the article evaluation functionality.
	modified:   src/br/ufrn/dimap/pubshare/activity/PubshareActivity.java
	modified:   src/br/ufrn/dimap/pubshare/evaluation/ArticleDetailActivity.java
	modified:   src/br/ufrn/dimap/pubshare/evaluation/ArticleEvaluationActivity.java
	modified:   src/br/ufrn/dimap/pubshare/mocks/UserMockFactory.java
	deleted:    src/br/ufrn/dimap/pubshare/restclient/SaveEvaluationRestClient.java