Update plugin to latest master

Update InternalGroup package location.

Change-Id: I58d9689e7f03dc3060701c728f7161b8b1de731b

src/main/java/com/ericsson/gerrit/plugins/projectgroupstructure/DefaultAccessRights.java

diff --git a/src/main/java/com/ericsson/gerrit/plugins/projectgroupstructure/DefaultAccessRights.java b/src/main/java/com/ericsson/gerrit/plugins/projectgroupstructure/DefaultAccessRights.java
index 974b231..98cd950 100644
--- a/src/main/java/com/ericsson/gerrit/plugins/projectgroupstructure/DefaultAccessRights.java
+++ b/src/main/java/com/ericsson/gerrit/plugins/projectgroupstructure/DefaultAccessRights.java
@@ -17,6 +17,7 @@
 import com.google.gerrit.entities.AccessSection;
 import com.google.gerrit.entities.AccountGroup;
 import com.google.gerrit.entities.GroupReference;
+import com.google.gerrit.entities.InternalGroup;
 import com.google.gerrit.entities.Permission;
 import com.google.gerrit.entities.PermissionRule;
 import com.google.gerrit.entities.Project;
@@ -25,7 +26,6 @@
 import com.google.gerrit.extensions.events.NewProjectCreatedListener;
 import com.google.gerrit.server.account.GroupCache;
 import com.google.gerrit.server.git.meta.MetaDataUpdate;
-import com.google.gerrit.server.group.InternalGroup;
 import com.google.gerrit.server.project.ProjectCache;
 import com.google.gerrit.server.project.ProjectConfig;
 import com.google.gerrit.server.project.ProjectState;