bugfix in README

Author: cyrilst

README.asciidoc

@@ -1,7 +1,8 @@
 sshproxy
 ========
 
-image:https://api.cirrus-ci.com/github/cea-hpc/sshproxy.svg["Build Status", link="https://travis-ci.org/cea-hpc/sshproxy"]
+image:https://api.cirrus-ci.com/github/cea-hpc/sshproxy.svg["Build Status",
+link="https://cirrus-ci.com/github/cea-hpc/sshproxy"]
 
 What is sshproxy?
 -----------------