Added a badge to display current coverity defects

This commit is to append a badge to display current defects of Coverity Scan.

**Changelog**
   * Added a badge to display the number of the Coverity Scan defects
   * Added a badge to display the repository size
   * Added a badge to display the Github issues
   * Added a badge to display the PRs

Signed-off-by: Geunsik Lim <geunsik.lim@samsung.com>

diff --git a/README.md b/README.md
index 900219f..85954e5 100644 (file)
--- a/README.md
+++ b/README.md
@@ -1,9 +1,13 @@
 # NNStreamer
 
-[![Gitter][gitter-image]][gitter-url] [![Code Coverage](http://nnsuite.mooo.com/nnstreamer/ci/badge/codecoverage.svg)](http://nnsuite.mooo.com/nnstreamer/ci/gcov_html/index.html) <a href="https://scan.coverity.com/projects/nnsuite-nnstreamer">
-  <img alt="Coverity Scan Build Status"
-       src="https://scan.coverity.com/projects/19225/badge.svg"/>
-</a>
+[![Gitter][gitter-image]][gitter-url] 
+[![Code Coverage](http://nnsuite.mooo.com/nnstreamer/ci/badge/codecoverage.svg)](http://nnsuite.mooo.com/nnstreamer/ci/gcov_html/index.html) 
+<a href="https://scan.coverity.com/projects/nnsuite-nnstreamer">
+<img alt="Coverity Scan Defect Status" src="https://img.shields.io/endpoint?url=https://nnsuite.mooo.com/nnstreamer/ci/badge/badge_coverity.json" />
+</a> 
+![GitHub repo size](https://img.shields.io/github/repo-size/nnsuite/nnstreamer) 
+![GitHub issues](https://img.shields.io/github/issues/nnsuite/nnstreamer) 
+![GitHub pull requests](https://img.shields.io/github/issues-pr/nnsuite/nnstreamer) 
 
 Neural Network Support as Gstreamer Plugins.