Primeiro commit - Codigo e Readme
Correção do readme.txt
Update readme.txt.txt
Merge branch 'master' of https://github.com/andremario/information_retrieval_20132

Conflicts:
	equipe_2/readme.txt.txt
Update README.md
Update README.md
Delete readme.txt.txt
Merge pull request #1 from andremario/master

Trabalho 2 - Iteração 1