Created bean to represent a bibliographic reference while editing it.
Created page to edit a bibliographic reference.
Minor change: in older execution degrees there are no periods defined,
preventing null definitions
Merge pull request #547 from AfonsoFGarcia/ticket/420684

Creation of new versions of competence courses
Created bean to represent a bibliographic reference while editing it.
Created page to edit a bibliographic reference.
Sort building alphabetically. Closes #551
Display the occupations subject, not the description of the interval it represents. Closes #550
Bumped version for release of 3.7.0
Merge branch 'release/3.7.0' into develop
Bumped version for development after release.