refs #7561 fixed crush but the GUI still does not work.
refs #7561 one more step to make the script working

but still not the final step -- init is missed somewhere.
Use full instrument name when setting default.instrument

in DirectEnergyConversion.
Refs #7561
refs #7561 arb units work but absolute have problem
refs #7561 Looks like everything works now

though how precise are results are absolutely different question
refs #7561 Minor changes introduced to deal with workspace pointer

 problem. Do not fix this problem but left just in case (like formatting changes)
Merge branch 'master' into bugfix/7561_Conv2EnergyInterface
Merge branch 'bugfix/7561_Conv2EnergyInterface' into develop