Util functions to validate JSON and find data files

Signed-off-by: Zane Shelley <zshelle@us.ibm.com>
Change-Id: Ifc1537f7c8eabab08690d5a74023377572564895
diff --git a/subprojects/nlohmann.wrap b/subprojects/nlohmann.wrap
new file mode 100644
index 0000000..3c028c3
--- /dev/null
+++ b/subprojects/nlohmann.wrap
@@ -0,0 +1,3 @@
+[wrap-git]
+revision = e7b3b40b5a95bc74b9a7f662830a27c49ffc01b4
+url = https://github.com/nlohmann/json.git