Issue #9 - Incluindo interfaces de remoção de Events, Components e
Entities
Merge branch 'master' of https://github.com/gabrielsr/bomberman.git
Merge pull request #2 from gabrielsr/master

Att (2) repository, Entity Manager
Merge pull request #3 from Dayof/Dayanne
Merge branch 'master' of https://github.com/gabrielsr/bomberman into gabrielsr-master
Merge branch 'master' of https://github.com/Dayof/bomberman
Atualização do LyfeSystem e dos casos testes do LyfeSystem.
Ajustes também nos padrões de documentação.