Fixing them thar warnins.

Refs #1777.
Finishing up working on default postprocessor values and input file overrides
closes #2907, #2879
Merge pull request #2915 from jwpeterson/fixing_warnings

Fixing them thar warnins.
Fixed zero fill and added ability to set precision (closes #2763)
Merge commit '8f8c75898d18e6b5b1b2e441a18ac2cbecd0855f'
Merge pull request #2910 from permcody/default_pps

Finishing up working on default Postprocessor values and input file over...
Merge commit '083cc5bd426ef7d92e5853f190fdf0b320ae4efb'
Merge pull request #2916 from aeslaughter/setfill-2763

Improved time printing
Remove implicit parameter #2914
Merge commit '9c93c650a72282831e26a9c3877d8c7529948491'
Created a better average flux test (#2917)
Merge pull request #2921 from aeslaughter/sideflux-2917

Created a better average flux test
Merge commit '75df590fbff806484f3030b4a85d271de2ea3a4c'
modified Shebang to use env python. References #2922
updated cluster_launcher scripts to use the new framework/scripts structure. References #2924
Merge pull request #2923 from milljm/peacock

modified Shebang to use env python
Merge commit '7ef931fbf2ff01116c665f0c73fb952823e26cb5'
Merge pull request #2926 from milljm/cluster_launcher

updated cluster_launcher scripts
Merge commit '929336c83a482da23c728eff920f3a1f2c856553'
Merge pull request #2919 from dschwen/feature_2914

Remove implicit parameter #2914