Update .eslintrc-webapp.json with webapp-v4.10.0

.eslintrc-webapp.json

@@ -13,7 +13,8 @@
     "parser": "babel-eslint",
     "plugins": [
         "react",
-        "import"
+        "import",
+        "header"
     ],
     "env": {
         "browser": true,
@@ -64,6 +65,7 @@
         "generator-star-spacing": [2, {"before": false, "after": true}],
         "global-require": 2,
         "guard-for-in": 2,
+        "header/header": [2, "line", " Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.\n See LICENSE.txt for license information."],
         "id-blacklist": 0,
         "import/no-unresolved": 2,
         "import/order": ["error", {"newlines-between": "always-and-inside-groups", "groups": ["builtin", "external", ["internal", "parent"], "sibling", "index"]}],
@@ -75,7 +77,6 @@
         "linebreak-style": 2,
         "lines-around-comment": [2, { "beforeBlockComment": true, "beforeLineComment": true, "allowBlockStart": true, "allowBlockEnd": true }],
         "max-lines": [1, {"max": 450, "skipBlankLines": true, "skipComments": false}],
-        "max-nested-callbacks": [1, {"max":1}],
         "max-nested-callbacks": [2, {"max":2}],
         "max-statements-per-line": [2, {"max": 1}],
         "multiline-ternary": [1, "never"],
@@ -251,7 +252,7 @@
         "react/no-unused-prop-types": [1, {"skipShapeProps": true}],
         "react/prefer-es6-class": 2,
         "react/prefer-stateless-function": 0,
-        "react/prop-types": [2, { "ignore": ["match", "location", "history", "component"] }],
+        "react/prop-types": [2, { "ignore": ["location", "history", "component"] }],
         "react/require-default-props": 0,
         "react/require-optimization": 1,
         "react/require-render-return": 2,