Enable IkedaCarpenterModeratorTest

Refs #7548
Remove static qualifier as it's a bit over the top.

Refs #7548
Report progress message at beginning of quantification simulation.

Avoids the confusion where nothing seems to happen.
Refs #7548
Fix memory leak with random number generators.

Refs #7548
Fix crash with default TobyFitResolutionModel setup

Refs #7548
Re #7548. Fix OS X builds.

I don't know if this can overflow a size_t anywhere, but the progress
reporting going awry isn't such a big deal anyway.
Fix error in TobyFit B Matrix calculation of sample rotation.

The sample-only contribition now looks much more like TobyFit.
Refs #7548
Fix bug in TobyFit mosaic calculation.

Refs #7548
Fix off-by-one error in IkedaCarpenterModerator model.

If the value from the sample table is nearer the last edge then simply
returns the last value.
Refs #7548
Merge remote-tracking branch 'origin/bugfix/7548_quantification_fixes'