MRN-incluido
Merge pull request #1 from matheusclaudino/master

Diagram use cases.
Merge pull request #2 from PauloHenrique93/master

MRN-incluido
Gitignore added.
Use cases diagram modified.
Wireframe added.
Gitignore modified.
New pages added in wireframe.
Database modified.
New wireframes.
Use cases diagram modified.