Rename fixtures directory to job_fixtures to prepare for adding view_fixtures
directory in the following commits.
Change-Id: Ic20997cae020b542ddc22bf444fa6b92fbcae064
waynr fixed a bug but explained in concat_defaults002
This bug happens when some values are specified in an other defaults
namespace then global.
This causes JJB to fail that its unable to find the required keys
becasue these were not merged correctly
Change-Id: Id0df24ba7cf8281389c2ed7af7ee716047d0e4a5