Added Unit tests (#224)

* Added first unit test

* Fixed user constraint problem

* Fix tests

* Update CommentMapperTest.php

* Fixed FactoryMuffin + unit tests

* Fixed PHP 5.6 error

* Started adding scrutinizer coverage

* Added UnitTestCase class

* Added badges to README

* Changed app logo name

The icon is showing up in the app list now.

* Added screenshot replacement to Makefile

* Added oC branded screenshots

* Added test skeletons

* Added further factories

* Added all basic crud unit tests

* Fixed @depends in unit tests

* Small doc block update

1 files changed, 6 insertions, 1 deletions

diff --git a/README.md b/README.md
index 70d831c1..8f5aa6ad 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,9 @@
 # Polls
 
-[![Build Status](https://travis-ci.org/nextcloud/polls.svg?branch=master)](https://travis-ci.org/nextcloud/polls)
+[![Build Status](https://img.shields.io/travis/nextcloud/polls.svg?style=flat-square)](https://travis-ci.org/nextcloud/polls)
+[![Scrutinizer](https://img.shields.io/scrutinizer/g/nextcloud/polls.svg?style=flat-square)](https://scrutinizer-ci.com/g/nextcloud/polls)
+[![Code Coverage](https://img.shields.io/scrutinizer/coverage/g/nextcloud/polls.svg?style=flat-square)](https://scrutinizer-ci.com/g/nextcloud/polls)
+[![Software License](https://img.shields.io/badge/license-AGPL-brightgreen.svg?style=flat-square)](LICENSE)
 
 This is a poll app, similar to doodle or dudle, for Nextcloud / ownCloud written in PHP and JS / jQuery.
 It is a rework of the already existing [polls app](https://github.com/raduvatav/polls) written by @raduvatav.
@@ -16,7 +19,9 @@ It is a rework of the already existing [polls app](https://github.com/raduvatav/
 
 ### Screenshots
 ![Overview](https://github.com/nextcloud/polls/blob/master/screenshots/overview.png)
+
 ![Vote](https://github.com/nextcloud/polls/blob/master/screenshots/vote.png)
+
 ![New poll](https://github.com/nextcloud/polls/blob/master/screenshots/new-poll.png)
 
 ## Installation / Update