usermanual chapter 1 translation pt_BR completed
Merge pull request #225 from guitorri/manual-pt_BR

usermanual chapter 1 translation pt_BR completed
fix typo on translation
Merge pull request #226 from guitorri/update_pt_BR

fix typo on translation
Remove thumbnails on export
styles: write UTF-8 encoded dtstyle files
Merge remote-tracking branch 'upstream/master' into spelling-fix