Add validation for currencies to validator

[jamesagnew]

No description provided.

[codecov]

Codecov Report

Merging #1797 into master will increase coverage by 0.07%.
The diff coverage is 99.50%.

@@             Coverage Diff              @@
##             master    #1797      +/-   ##
============================================
+ Coverage     80.96%   81.04%   +0.07%     
- Complexity    13789    13792       +3     
============================================
  Files           953      953              
  Lines         51708    51894     +186     
  Branches       8319     8317       -2     
============================================
+ Hits          41867    42058     +191     
+ Misses         6660     6657       -3     
+ Partials       3181     3179       -2     

Impacted Files	Coverage Δ	Complexity Δ
...n/support/CommonCodeSystemsTerminologyService.java	97.58% <99.50%> (+9.12%)	14.00 <1.00> (+3.00)

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