Renamed ihp-datasync-react.js to just react.js

This makes for nicer es6 imports:

```js
import { useQuery } from 'ihp-datasync/react';
```

lib/IHP/DataSync/ihp-datasync-react.js

@@ -1,40 +1,3 @@
-import React, { useState, useEffect } from 'react';
-import { DataSubscription } from './ihp-datasync.js';
-
-// Usage:
-// 
-//     const messages = useQuery(query('messages').orderBy('createdAt'));
-// 
-export function useQuery(queryBuilder) {
-    const [records, setRecords] = useState(null);
-
-    useEffect(() => {
-        const dataSubscription = new DataSubscription(queryBuilder.query);
-
-        dataSubscription.onReady = setRecords;
-        dataSubscription.onUpdate = (id, changeSet) => {
-            setRecords(records => {
-                for (const record of records) {
-                    if (record.id === id) {
-                        Object.assign(record, changeSet);
-                        break;
-                    }
-                }
-
-                return [...records];
-            });
-        }
-        dataSubscription.onCreate = newRecord => {
-            setRecords(records => [...records, newRecord]);
-        };
-        dataSubscription.onDelete = id => {
-            setRecords(records => records.filter(record => record.id !== id));
-        };
-
-        return () => { dataSubscription.close() };
-    }, [
-        JSON.stringify(queryBuilder.query) /* <-- It's terrible - but it works, we should find a better for this */
-    ])
-
-    return records;
-}
+/* This file is only kept to avoid breaking b.c. */
+import { useQuery } from './react.js';
+export { useQuery };

lib/IHP/DataSync/react.js

@@ -0,0 +1,40 @@
+import React, { useState, useEffect } from 'react';
+import { DataSubscription } from './ihp-datasync.js';
+
+// Usage:
+// 
+//     const messages = useQuery(query('messages').orderBy('createdAt'));
+// 
+export function useQuery(queryBuilder) {
+    const [records, setRecords] = useState(null);
+
+    useEffect(() => {
+        const dataSubscription = new DataSubscription(queryBuilder.query);
+
+        dataSubscription.onReady = setRecords;
+        dataSubscription.onUpdate = (id, changeSet) => {
+            setRecords(records => {
+                for (const record of records) {
+                    if (record.id === id) {
+                        Object.assign(record, changeSet);
+                        break;
+                    }
+                }
+
+                return [...records];
+            });
+        }
+        dataSubscription.onCreate = newRecord => {
+            setRecords(records => [...records, newRecord]);
+        };
+        dataSubscription.onDelete = id => {
+            setRecords(records => records.filter(record => record.id !== id));
+        };
+
+        return () => { dataSubscription.close() };
+    }, [
+        JSON.stringify(queryBuilder.query) /* <-- It's terrible - but it works, we should find a better for this */
+    ])
+
+    return records;
+}