Fixes @229 (Removes remaining Razor references)

The current codebase still has references to some methods/classes/etc. that use the old 'rz' (or 'Rz', or 'RZ') prefix from the Razor codebase. This PR removes those references (it's a simple refactoring exercise).
Merge pull request #232 from tjmcs/tb/remove-razor-references

Fixes #229 (Removes remaining Razor references)