Applied all changes to the dejagnu files

Applied the latest patches reviewed by Stam in his refactoring patches
and added the dejagnu files changed with gerrit patches:
  - 543528
  - 543529
  - 543530
  - 543531 (updated to patchset 12 from July 23rd)
  - 543571 (updated to patchset 14 from July 23rd)
  - 543605

Change-Id: Icb09a6e7b2ba634a76b808b6ad3d452f57e431d4