New factories added for testing porpouse
Trello#5 - As a teacher I rank a solution submitted by a student
Trello#5 - Model altered for it to suit the story
Internationalization file merged with previous version
Merge branch 'develop' into teacher_ranks_a_solution

Conflicts:
	models/correction.rb
Several refactors. New fields test_result and test_output added to solution
Corrections feature refactored
Correction validation process adjusted to allow saving a correction
without grade
Correction controller updated for it to suit ruling convention for urls
Correction interfaces updated
1.- Link to assignment file set accordingly
2.- Help message dropped from correction form
New factories added for testing porpouse
Several refactors. New fields test_result and test_output added to solution
Corrections feature refactored
Correction validation process adjusted to allow saving a correction
without grade
Correction controller updated for it to suit ruling convention for urls
Correction interfaces updated
1.- Link to assignment file set accordingly
2.- Help message dropped from correction form
Test fixed after rebasing against develop branch
Correction controller index resouces moved to all_index for us to avoid
conflicts
Merge branch 'teacher_ranks_a_solution' of https://github.com/fiuba/alfred into teacher_ranks_a_solution

Conflicts:
	app/controllers/corrections.rb
	app/helpers/corrections_helper.rb
	app/locale/es.yml
	models/correction.rb
	spec/app/controllers/corrections_controller_spec.rb
Merge pull request #12 from fiuba/teacher_ranks_a_solution

Teacher ranks a solution