standardize binary names

json/json-validation/README.md

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+This is a contrived example intended to illustrate a few important Actix Web features.
+
+*Imagine* that you have a process that involves 3 steps. The steps here
+are dumb in that they do nothing other than call an HTTP endpoint that
+returns the json that was posted to it. The intent here is to illustrate
+how to chain these steps together as futures and return a final result
+in a response.
+
+Actix Web features illustrated here include:
+
+    1. handling json input param
+    2. validating user-submitted parameters using the 'validator' crate
+    2. `awc` client features:
+          - POSTing json body
+    3. chaining futures into a single response used by an asynch endpoint
+
+
+### server
+
+```bash
+cd basics/json-validation
+cargo run
+# Started http server: 127.0.0.1:8080
+```
+
+Example query from the command line using httpie:
+	```echo '{"id":"1", "name": "JohnDoe"}' | http 127.0.0.1:8080/something```