Merge pull request #42 from lamenezes/master

Fim do Chapter 03
update readme
Merge branch 'master' of https://github.com/Londerson/djangobook
update
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Merge pull request #45 from paulo87/patch-1

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update
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Termino do tópico Limpando os modelos gerados
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Merge pull request #47 from fabrimatt/master

Tradução django
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Small fix on Chapter 03
Some translation on Chapter 08