Client/server data adapter and simpler data model. (#53)

* Client/server data adapter and simpler data passthroughs.

* Parse error response and pipe to UI

* Add top-of-form error display for social links

* Remove save failed state from save button

* Remove object deconstruction in catch

* Fixing a few small bugs.

* When opening and closing forms, remove drafts.

* Tweak where we send account_privacy back to

* Passing course cert visibility through.

* Fixin’ up the tests.

* Documenting weird social links behavior.

* More comments.

package.json

@@ -38,7 +38,6 @@
     "@fortawesome/react-fontawesome": "^0.1.4",
     "babel-polyfill": "^6.26.0",
     "bootstrap": "^4.2.1",
-    "camelcase-keys": "^5.0.0",
     "classnames": "^2.2.5",
     "connected-react-router": "^5.0.1",
     "copy-webpack-plugin": "^4.6.0",
@@ -47,8 +46,8 @@
     "history": "^4.7.2",
     "i18n-iso-countries": "^3.7.8",
     "iso-countries-languages": "^0.2.1",
-    "lodash.defaultsdeep": "^4.6.0",
-    "lodash.set": "^4.3.2",
+    "lodash.camelcase": "^4.3.0",
+    "lodash.snakecase": "^4.1.1",
     "prop-types": "^15.5.10",
     "query-string": "^5.1.1",
     "react": "^16.8.3",
@@ -65,7 +64,6 @@
     "redux-saga": "^1.0.1",
     "redux-thunk": "^2.2.0",
     "reselect": "^4.0.0",
-    "snakecase-keys": "^2.1.0",
     "whatwg-fetch": "^2.0.3"
   },
   "devDependencies": {