style(@angular/cli): Alphabetized the keys for the angular:directive properties object

Author: brianpilati

packages/@angular/cli/lib/config/schema.json

@@ -145,42 +145,42 @@
         "@schematics/angular:directive": {
           "type": "object",
           "properties": {
+            "export": {
+              "type": "boolean",
+              "default": false,
+              "description": "Specifies if declaring module exports the directive."
+            },
+            "flat": {
+              "type": "boolean",
+              "description": "Flag to indicate if a dir is created.",
+              "default": true
+            },
+            "module":  {
+              "type": "string",
+              "description": "Allows specification of the declaring module.",
+              "alias": "m"
+            },
             "prefix": {
               "type": "string",
               "format": "html-selector",
               "description": "The prefix to apply to generated selectors.",
               "default": "app",
               "alias": "p"
             },
-            "spec": {
-              "type": "boolean",
-              "description": "Specifies if a spec file is generated.",
-              "default": true
-            },
-            "skipImport": {
-              "type": "boolean",
-              "description": "Flag to skip the module import.",
-              "default": false
-            },
             "selector": {
               "type": "string",
               "format": "html-selector",
               "description": "The selector to use for the directive."
             },
-            "flat": {
+            "skipImport": {
               "type": "boolean",
-              "description": "Flag to indicate if a dir is created.",
-              "default": true
-            },
-            "module":  {
-              "type": "string",
-              "description": "Allows specification of the declaring module.",
-              "alias": "m"
+              "description": "Flag to skip the module import.",
+              "default": false
             },
-            "export": {
+            "spec": {
               "type": "boolean",
-              "default": false,
-              "description": "Specifies if declaring module exports the directive."
+              "description": "Specifies if a spec file is generated.",
+              "default": true
             }
           }
         },