Add travis status do README.
Travis URL coorection.
Travis configuration.
Merge develop branch.
Merge branch 'release/0.0.1'
Merge branch 'master' of https://github.com/globocom/pymigration
Update README.md
Correct the long the description.
Merge branch 'hotfix/0.0.2' into develop

* hotfix/0.0.2:
  Correct the long the description.
  Update README.md
  Travis configuration.
  Travis URL coorection.
  Add travis status do README.