Allow DGES imported students to have custom usernames
Merge pull request #589 from jcarvalho/candidacies

Allow DGES imported students to have custom usernames
Bug Fix: Use suppliers to get a stream so that the singleton method can get a new stream for each time it needs to be evaluated, this avoiding termination exceptions.
Minor change: added 2 more registration declarations to the final pdf,
and updated the instructions to reflect that
Bumped version for release of 3.11.5
Merge branch 'release/3.11.5' into develop
Bumped version for development after release.