Update README.md

Made build status point to latest build.

README.md

@@ -1,5 +1,5 @@
 # Julspel
 
-[![Build Status](https://tankernn.eu/jenkins/buildStatus/icon?job=Julspel&build=1)](https://tankernn.eu/jenkins/job/Julspel/1/)
+[![Build Status](https://tankernn.eu/jenkins/buildStatus/icon?job=Julspel)](https://tankernn.eu/jenkins/job/Julspel/)
 
 Ett simpelt julklappsspel.