Merge pull request #50 from danielalencar/master

Evaluation on client
Comunicação com servidor (Search people).
Merge branch 'master' of https://github.com/danielcalencar/pubshare
Merge pull request #52 from judf/master

User - server-side
Adicionando chamada para activity de downloads realizados.
Merge pull request #53 from luksrn/master

Adição de chamada à atividade de listagem dos downloads realizados.
mudanças tentando corrigor erros.
Merge branch 'master' of https://github.com/danielcalencar/pubshare
Problema na edição e exibição do Profile resolvido. Show Frind resolvido.
Adicionar amigos em SearchActivity resolvido. Corrigindo erros.
Resolvendo problema do gitignore.
Merge pull request #56 from judf/master

U
Asks about the to publish or not the evaluate and back to previous activity
Finishing the Evaluation feature
	modified:   res/layout/activity_article_detail.xml
	modified:   res/layout/activity_article_evaluation.xml
	modified:   res/values/strings.xml
	modified:   src/br/ufrn/dimap/pubshare/evaluation/ArticleDetailActivity.java
	modified:   src/br/ufrn/dimap/pubshare/evaluation/ArticleEvaluationActivity.java
	modified:   src/br/ufrn/dimap/pubshare/util/Constants.java