Minor cleanup (#220)

* Fix README; add missing dev dependency

* Fix validators to filter out bad events and sources

* Better defaults in config

src/common/data/copy.json

@@ -145,7 +145,7 @@
       "categories": "Categories",
       "categories_label": "Categories",
       "explore_by_category__title": "Explore events by category",
-      "explore_by_category__description": "‘Categories’ refer to the victims of a given incident.<br><br>If no categories are selected, all datapoints are displayed.",
+      "explore_by_category__description": "",
       "shapes": "Shapes",
       "shapes_label": "Shapes",
       "explore_by_shapes__title": "Explore events by shape breakdown",

src/components/Toolbar.js

@@ -184,6 +184,7 @@ class Toolbar extends React.Component {
     return (
       <div
         className={classes}
+        key={iconKey}
         onClick={() => {
           this.selectTab(_selected);
         }}

src/reducers/validate/validators.js

@@ -87,12 +87,15 @@ export function validateDomain(domain, features) {
 
   function validateArray(items, domainKey, schema) {
     items.forEach((item) => {
+      if (domainKey === "events" && item.date === "" && item.time === "")
+        return;
       validateArrayItem(item, domainKey, schema);
     });
   }
 
   function validateObject(obj, domainKey, itemSchema) {
     Object.keys(obj).forEach((key) => {
+      if (key === "") return;
       const vl = obj[key];
       const result = Joi.validate(vl, itemSchema);
       if (result.error !== null) {