Use HTTPS SCM URL (#109)

Author: basil

pom.xml

@@ -41,7 +41,7 @@
   </developers>
 
   <scm>
-    <connection>scm:git:git://github.com/jenkinsci/${project.artifactId}-plugin.git</connection>
+    <connection>scm:git:https://github.com/jenkinsci/${project.artifactId}-plugin.git</connection>
     <developerConnection>scm:git:git@github.com:jenkinsci/${project.artifactId}-plugin.git</developerConnection>
     <url>https://github.com/jenkinsci/${project.artifactId}-plugin</url>
     <tag>${scmTag}</tag>