feat(upgrade): change typescript version to 2.7

use latest version of typescript

BREAKING CHANGE: stop using postinstall because it gets called when other devs instll react-mock
package from npm

Author: Marcellin Nshimiyimana

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "react-mock",
-  "version": "2.0.2",
+  "version": "4.1.0",
   "description": "Mocking api calls from React Applications, using Pretenderjs and Fakerjs",
   "keywords": [],
   "main": "dist/react-mock.umd.js",
@@ -19,7 +19,7 @@
     "node": ">=6.0.0"
   },
   "scripts": {
-    "postinstall": "sh custom/postinstall.sh",
+    "configure": "sh custom/postinstall.sh",
     "lint": "tslint -t codeFrame 'src/**/*.ts' 'test/**/*.ts' 'test/src/react-mock/node_modules/*.ts'",
     "prebuild": "rimraf dist",
     "build": "tsc --module commonjs --outDir dist/lib && rollup -c rollup.config.ts && typedoc --out dist/docs --target es6 --theme minimal --mode file src",
@@ -110,7 +110,7 @@
     "tslint-config-prettier": "^1.1.0",
     "tslint-config-standard": "^7.0.0",
     "typedoc": "^0.11.0",
-    "typescript": "^2.6.2",
+    "typescript": "2.7.2",
     "validate-commit-msg": "^2.12.2",
     "travis-deploy-once": "^5.0.0"
   },