correcting .gitignore
Merge pull request #31 from danielalencar/master

correcting gen/.gitignore
Merge pull request #30 from judf/master

Add some components in menu activity.
removing R
Merge http://github.com/danielcalencar/pubshare

Conflicts:
	gen/br/ufrn/dimap/pubshare/activity/R.java
Merge pull request #32 from danielalencar/master

Removing R.java
Modificando parametro "tags" na classe User, adicionando Popup menu e tratamento de clique no botão "+".