Fixing pre-process and adding more documentation.
Preprocess changes
Merge branch 'feature-standalone' of
https://github.com/ten24/Slatwall.git into feature-standalone-Paul

Conflicts:
	admin/views/entity/preprocessphysical_addphysicalcount.cfm
Created Process AddPhysicalCount
Misc process fix.
Merge remote-tracking branch 'origin/feature-standalone-Paul' into feature-standalone
More work on physical processing
Added physicals and changelog to docs.