Minor Change: Added javascript validation for letter o recomendation form.
Bug Fix: Use empty string when creating agregation keys.
Minor Change: Adjusted text.
Merge pull request #20 from diutsu/dev

[Bug Fix]#378405 Enables creation of groups with only a new person
Merge pull request #21 from diutsu/dev

[Minor Change] Changes course name to its abreviation on exporting the f...
Minor Change: modified criteria for researcher export rest API for sotis
Bug fix:
- fixing idInternal migration
Bug Fix: Avoid NPE. Validate phone numbers an numbers.
Bug fix:
- faces converts strings to long in some dropdown postback situations
[Bug Fix] #387259 Fixes view Files for user ist155393