Add extension.create.txt Brazilian Portuguese translation to Yii Definitive Guide.
Add extension.integration.txt Brazilian Portuguese translation to Yii Definitive Guide.
Add new translator name and change copyright period to 2008-2013 in Brazilian Portuguese index of Yii Definitive Guide.
Correct one section title in Brazilian Portuguese table of contents of Yii Definitive Guide.
Add upgrade.txt Brazilian Portuguese translation to Yii Definitive Guide.
Add test.overview.txt Brazilian Portuguese translation to Yii Definitive Guide.
Add test.fixture.txt Brazilian Portuguese translation to Yii Definitive Guide.
Add test.unit.txt Brazilian Portuguese translation to Yii Definitive Guide.
Add test.functional.txt Brazilian Portuguese translation to Yii Definitive Guide.
Merge pull request #2228 from alanwillms/add-missing-brazilian-portuguese-translations-to-yii-definitive-guide

Add some missing Brazilian Portuguese translations to Yii Definitive Guide