Update coveralls-plugin to 4.0.0

Author: joshiste

pom.xml

@@ -21,7 +21,7 @@
         <spring-boot.version>1.3.0.RC1</spring-boot.version>
         <spring-cloud.version>Angel.SR3</spring-cloud.version>
         <build-plugin.jacoco.version>0.7.5.201505241946</build-plugin.jacoco.version>
-        <build-plugin.coveralls.version>3.0.1</build-plugin.coveralls.version>
+        <build-plugin.coveralls.version>4.0.0</build-plugin.coveralls.version>
         <build-plugin.gpg.version>1.6</build-plugin.gpg.version>
     </properties>
     <modules>