Implemented Correction.assigned_corrections_status for 'My Corrections'
Refactoring to My Corrections
Created CorrectionStatus model
Removed Correction.assigned_corrections_status method
Refactored 'My Corrections' view for listing single item per student &

assignment
Merge pull request #68 from fiuba/refactoring-mis-correcciones

Refactoring mis correcciones
Version management logic added
Merge pull request #70 from fiuba/version

This commits include required changes to manage product version based on what we talked with DiegoM today
Imprevements added
Merge remote-tracking branch 'origin/develop' into version_imprevements
Merge pull request #71 from fiuba/version_imprevements

With this changes I will be able to complete the deployment automation
Configuracion de despliegue en travis removida
Merge remote-tracking branch 'origin/master' into develop