Merge pull request #4 from collective/master

fixed syntax errors in po file, extended .gitignore
Merge remote-tracking branch 'collective/master'
Merge remote-tracking branch 'collective/master'
Merge remote-tracking branch 'collective/master'
Merge remote-tracking branch 'collective/master'
Merge remote-tracking branch 'collective/master'
Merge remote-tracking branch 'collective/master'
Merge remote-tracking branch 'collective/master'
brazilian portuguese translation added