replace jest with ava

node_modules/is-error/README.md

@@ -0,0 +1,54 @@
+# is-error
+
+<!--
+    [![build status][build-png]][build]
+    [![Coverage Status][cover-png]][cover]
+    [![Davis Dependency status][dep-png]][dep]
+-->
+
+<!-- [![NPM][npm-png]][npm] -->
+
+Detect whether a value is an error
+
+## Example
+
+```js
+var isError = require("is-error");
+
+console.log(isError(new Error('hi'))) // true
+console.log(isError({ message: 'hi' })) // false
+```
+
+## Docs
+
+### `var bool = isError(maybeErr)`
+
+```hs
+is-error := (maybeErr: Any) => Boolean
+```
+
+`isError` returns a boolean. it will detect whether the argument
+is an error or not.
+
+## Installation
+
+`npm install is-error`
+
+## Tests
+
+`npm test`
+
+## Contributors
+
+ - Raynos
+
+## MIT Licensed
+
+  [build-png]: https://secure.travis-ci.org/Raynos/is-error.png
+  [build]: https://travis-ci.org/Raynos/is-error
+  [cover-png]: https://coveralls.io/repos/Raynos/is-error/badge.png
+  [cover]: https://coveralls.io/r/Raynos/is-error
+  [dep-png]: https://david-dm.org/Raynos/is-error.png
+  [dep]: https://david-dm.org/Raynos/is-error
+  [npm-png]: https://nodei.co/npm/is-error.png?stars&downloads
+  [npm]: https://nodei.co/npm/is-error