Prime tsconfig to turn on strict mode one rule at a time

tsconfig.json

@@ -2,7 +2,14 @@
   "compilerOptions": {
     "baseUrl": "app/",
     "sourceMap": true,
-    "strict": true,
+    "alwaysStrict": false,
+    "strictNullChecks": false,
+    "strictBindCallApply": false,
+    "strictFunctionTypes": false,
+    "strictPropertyInitialization": false,
+    "noImplicitAny": true,
+    "noImplicitThis": false,
+    "useUnknownInCatchVariables": false,
     "module": "es6",
     "target": "es5",
     "jsx": "react",