Add coverage badge

Author: mortenlj

README.md

@@ -1,9 +1,13 @@
-AIS
----
+AIS [![build_status_badge]][build_status] [![codacy_grade_badge]][codacy_grade] [![codacy_coverage_badge]][codacy_coverage]
+---------------------------------------------------------------------------------------------------------------------------
 
-[![Codacy Badge](https://api.codacy.com/project/badge/Grade/94f023dd708845b3b2041ef99aa84c59)](https://app.codacy.com/app/fiaas/ais?utm_source=github.com&utm_medium=referral&utm_content=fiaas/ais&utm_campaign=badger)
-[![Build Status](https://travis-ci.org/fiaas/ais.svg?branch=master)](https://travis-ci.org/fiaas/ais)
+AIS manages the publication of release channel metadata for FIAAS components
 
 
-AIS manages the publication of release channel metadata for FIAAS components
 
+[build_status_badge]: https://travis-ci.org/fiaas/ais.svg?branch=master "Build Status"
+[build_status]: https://travis-ci.org/fiaas/ais
+[codacy_grade_badge]: https://api.codacy.com/project/badge/Grade/94f023dd708845b3b2041ef99aa84c59 "Codacy Grade"
+[codacy_grade]: https://app.codacy.com/app/fiaas/ais?utm_source=github.com&utm_medium=referral&utm_content=fiaas/ais&utm_campaign=badger
+[codacy_coverage_badge]: https://api.codacy.com/project/badge/Coverage/10748eb5810540aeac9267cabea774de "Codacy Coverage"
+[codacy_coverage]: https://www.codacy.com/app/fiaas/ais?utm_source=github.com&utm_medium=referral&utm_content=fiaas/ais&utm_campaign=Badge_Coverage