Fix Python2.6 compatibility:
Note: We'll need to update the recipes on moosebuild after this is merged.
refs #4163
Fix error with how the action sets up auxiliary field refs #4156
Merge pull request #4157 from backmari/crack_front_debug

Fix error with how the action sets up auxiliary fields closes #4156
Merge pull request #4197 from permcody/python2_6_fix

Fix Python2.6 compatibility:
Merge commit '796648fa9f8213f9b3acf799c08ff1ca91ea4fc8'