Use real lodash instead of custom builds

Most people use lodash and not `lodash.isEqual` or `lodash.find`. They
are custom builds of lodash, with a lot of duplicated code, and results
in really heavy bundles.

Author: tusbar

package.json

@@ -15,8 +15,7 @@
     "url": "https://github.com/jerairrest/react-chartjs-2/issues"
   },
   "dependencies": {
-    "lodash.find": "^4.6.0",
-    "lodash.isequal": "^4.4.0",
+    "lodash": "^4.17.4",
     "prop-types": "^15.5.8"
   },
   "devDependencies": {

src/index.js

@@ -1,8 +1,8 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 import Chart from 'chart.js';
-import isEqual from 'lodash.isequal';
-import find from 'lodash.find';
+import isEqual from 'lodash/isEqual';
+import find from 'lodash/find';
 
 
 class ChartComponent extends React.Component {

yarn.lock

@@ -4727,10 +4727,6 @@ lodash.filter@^4.4.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash.filter/-/lodash.filter-4.6.0.tgz#668b1d4981603ae1cc5a6fa760143e480b4c4ace"
 
-lodash.find@^4.6.0:
-  version "4.6.0"
-  resolved "https://registry.yarnpkg.com/lodash.find/-/lodash.find-4.6.0.tgz#cb0704d47ab71789ffa0de8b97dd926fb88b13b1"
-
 lodash.flatten@^4.2.0:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/lodash.flatten/-/lodash.flatten-4.4.0.tgz#f31c22225a9632d2bbf8e4addbef240aa765a61f"
@@ -4747,10 +4743,6 @@ lodash.isarray@^3.0.0:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/lodash.isarray/-/lodash.isarray-3.0.4.tgz#79e4eb88c36a8122af86f844aa9bcd851b5fbb55"
 
-lodash.isequal@^4.4.0:
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/lodash.isequal/-/lodash.isequal-4.5.0.tgz#415c4478f2bcc30120c22ce10ed3226f7d3e18e0"
-
 lodash.isplainobject@^3.0.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/lodash.isplainobject/-/lodash.isplainobject-3.2.0.tgz#9a8238ae16b200432960cd7346512d0123fbf4c5"