Removes funcionality from academic admin office
Merge pull request #454 from diutsu/develop

Removes funcionality from academic admin office
added information to an error message
Merge pull request #456 from cbartol/ticket/rt-#387113

Added information to an error message saying that the error can occur when the discipline, which is being replaced, was already approved.
close #455
Added inquiery responses from person that submits the letter of recommendation.
Allow download of all documents associated with the process in a single zip file.
Bumped version for release of 2.1.19
Merge branch 'release/2.1.19' into develop
Bumped version for development after release.
Fixed retrieval of delegate functions when user had multiple functions durring a year some of which are no longer active.