improve plugin information for core plugins

scm-plugins/scm-git-plugin/pom.xml

@@ -10,7 +10,6 @@
   </parent>
 
   <artifactId>scm-git-plugin</artifactId>
-  <name>Git</name>
   <packaging>smp</packaging>
   <url>https://bitbucket.org/sdorra/scm-manager</url>
   <description>Plugin for the version control system Git</description>

scm-plugins/scm-git-plugin/src/main/resources/META-INF/scm/plugin.xml

@@ -46,8 +46,10 @@
   <scm-version>2</scm-version>
 
   <information>
-    <author>Sebastian Sdorra</author>
+    <displayName>Git</displayName>
+    <author>Cloudogu GmbH</author>
     <category>Source Code Management</category>
+    <avatarUrl>/images/git-logo.png</avatarUrl>
   </information>
 
   <conditions>