Added "notes_about_references" report structure.
Merge branch 'development' into feature/notes_about_references
Updated a faulty reference.
Updated reference notes about "Guide for the use of the Ada programming
language in high integrity systems.
Updated the Ada references section and updated the template.
Added comments about "High-Integrity Object-Oriented Programming in Ada" by
AdaCore.
Merge. Comments about three technical reports about Ada programming added.