Move config schema to package.json

Move the configuration definition to the package.json so Atom doesn't
have to load the package code to know what settings it has available.

Author: Arcanemagus

lib/main.js

@@ -4,41 +4,6 @@ let helpers = null;
 let clangFlags = null;
 
 export default {
-  config: {
-    execPath: {
-      type: 'string',
-      default: 'clang',
-    },
-    clangIncludePaths: {
-      type: 'array',
-      default: ['.'],
-    },
-    clangSuppressWarnings: {
-      type: 'boolean',
-      default: false,
-    },
-    clangDefaultCFlags: {
-      type: 'string',
-      default: '-Wall',
-    },
-    clangDefaultCppFlags: {
-      type: 'string',
-      default: '-Wall -std=c++11',
-    },
-    clangDefaultObjCFlags: {
-      type: 'string',
-      default: '',
-    },
-    clangDefaultObjCppFlags: {
-      type: 'string',
-      default: '',
-    },
-    clangErrorLimit: {
-      type: 'integer',
-      default: 0,
-    },
-  },
-
   activate() {
     require('atom-package-deps').install('linter-clang');
   },

package.json

@@ -9,7 +9,43 @@
   },
   "license": "MIT",
   "engines": {
-    "atom": ">0.50.0"
+    "atom": ">=1.4.0 <2.0.0"
+  },
+  "configSchema": {
+    "execPath": {
+      "type": "string",
+      "default": "clang"
+    },
+    "clangIncludePaths": {
+      "type": "array",
+      "default": [
+        "."
+      ]
+    },
+    "clangSuppressWarnings": {
+      "type": "boolean",
+      "default": false
+    },
+    "clangDefaultCFlags": {
+      "type": "string",
+      "default": "-Wall"
+    },
+    "clangDefaultCppFlags": {
+      "type": "string",
+      "default": "-Wall -std=c++11"
+    },
+    "clangDefaultObjCFlags": {
+      "type": "string",
+      "default": ""
+    },
+    "clangDefaultObjCppFlags": {
+      "type": "string",
+      "default": ""
+    },
+    "clangErrorLimit": {
+      "type": "integer",
+      "default": 0
+    }
   },
   "scripts": {
     "test": "apm test",