fix compilation problems
diff --git a/jspwiki-main/src/main/java/org/apache/wiki/forms/FormOutput.java b/jspwiki-main/src/main/java/org/apache/wiki/forms/FormOutput.java
index 8c56300..9c82ec2 100644
--- a/jspwiki-main/src/main/java/org/apache/wiki/forms/FormOutput.java
+++ b/jspwiki-main/src/main/java/org/apache/wiki/forms/FormOutput.java
@@ -20,10 +20,10 @@
 package org.apache.wiki.forms;
 
 import org.apache.wiki.WikiContext;
-import org.apache.wiki.api.engine.PluginManager;
 import org.apache.wiki.api.exceptions.PluginException;
 import org.apache.wiki.api.plugin.WikiPlugin;
 import org.apache.wiki.plugin.DefaultPluginManager;
+import org.apache.wiki.plugin.PluginManager;
 import org.apache.wiki.preferences.Preferences;
 import org.apache.wiki.util.FormUtil;
 
diff --git a/jspwiki-main/src/main/java/org/apache/wiki/plugin/TableOfContents.java b/jspwiki-main/src/main/java/org/apache/wiki/plugin/TableOfContents.java
index 4b082d4..4ef0e13 100644
--- a/jspwiki-main/src/main/java/org/apache/wiki/plugin/TableOfContents.java
+++ b/jspwiki-main/src/main/java/org/apache/wiki/plugin/TableOfContents.java
@@ -23,9 +23,9 @@
 import org.apache.wiki.WikiContext;
 import org.apache.wiki.WikiPage;
 import org.apache.wiki.api.core.Engine;
-import org.apache.wiki.api.engine.FilterManager;
 import org.apache.wiki.api.exceptions.PluginException;
 import org.apache.wiki.api.plugin.WikiPlugin;
+import org.apache.wiki.filters.FilterManager;
 import org.apache.wiki.pages.PageManager;
 import org.apache.wiki.parser.Heading;
 import org.apache.wiki.parser.HeadingListener;
diff --git a/jspwiki-main/src/main/java/org/apache/wiki/tags/AdminBeanIteratorTag.java b/jspwiki-main/src/main/java/org/apache/wiki/tags/AdminBeanIteratorTag.java
index 49af855..d36a2fe 100644
--- a/jspwiki-main/src/main/java/org/apache/wiki/tags/AdminBeanIteratorTag.java
+++ b/jspwiki-main/src/main/java/org/apache/wiki/tags/AdminBeanIteratorTag.java
@@ -19,8 +19,8 @@
 package org.apache.wiki.tags;
 
 import org.apache.wiki.WikiContext;
-import org.apache.wiki.api.engine.AdminBeanManager;
 import org.apache.wiki.ui.admin.AdminBean;
+import org.apache.wiki.ui.admin.AdminBeanManager;
 
 import java.util.ArrayList;
 import java.util.Collection;
diff --git a/jspwiki-main/src/main/java/org/apache/wiki/tags/PluginTag.java b/jspwiki-main/src/main/java/org/apache/wiki/tags/PluginTag.java
index c971d71..20a4413 100644
--- a/jspwiki-main/src/main/java/org/apache/wiki/tags/PluginTag.java
+++ b/jspwiki-main/src/main/java/org/apache/wiki/tags/PluginTag.java
@@ -20,8 +20,8 @@
 
 import org.apache.log4j.Logger;
 import org.apache.wiki.api.core.Engine;
-import org.apache.wiki.api.engine.PluginManager;
 import org.apache.wiki.api.exceptions.PluginException;
+import org.apache.wiki.plugin.PluginManager;
 
 import javax.servlet.jsp.JspException;
 import javax.servlet.jsp.tagext.BodyContent;
@@ -104,9 +104,7 @@
             argmap.put( "_body", body );
         }
 
-        final String result = pm.execute( m_wikiContext, plugin, argmap );
-
-        return result;        
+        return pm.execute( m_wikiContext, plugin, argmap );
     }
     
     /**
diff --git a/jspwiki-main/src/main/java/org/apache/wiki/ui/admin/beans/FilterBean.java b/jspwiki-main/src/main/java/org/apache/wiki/ui/admin/beans/FilterBean.java
index 3b47696..639295c 100644
--- a/jspwiki-main/src/main/java/org/apache/wiki/ui/admin/beans/FilterBean.java
+++ b/jspwiki-main/src/main/java/org/apache/wiki/ui/admin/beans/FilterBean.java
@@ -19,7 +19,7 @@
 package org.apache.wiki.ui.admin.beans;
 
 import org.apache.wiki.api.core.Engine;
-import org.apache.wiki.api.engine.FilterManager;
+import org.apache.wiki.filters.FilterManager;
 import org.apache.wiki.modules.WikiModuleInfo;
 import org.apache.wiki.util.XHTML;
 import org.apache.wiki.util.XhtmlUtil;
@@ -38,14 +38,16 @@
     /**
      * {@inheritDoc}
      */
-    @Override public String getTitle() {
+    @Override
+    public String getTitle() {
         return "Filters";
     }
 
     /**
      * {@inheritDoc}
      */
-    @Override public int getType() {
+    @Override
+    public int getType() {
         return CORE;
     }
 
diff --git a/jspwiki-main/src/main/java/org/apache/wiki/variables/DefaultVariableManager.java b/jspwiki-main/src/main/java/org/apache/wiki/variables/DefaultVariableManager.java
index 7525759..5764fcd 100644
--- a/jspwiki-main/src/main/java/org/apache/wiki/variables/DefaultVariableManager.java
+++ b/jspwiki-main/src/main/java/org/apache/wiki/variables/DefaultVariableManager.java
@@ -24,14 +24,14 @@
 import org.apache.wiki.WikiPage;
 import org.apache.wiki.WikiProvider;
 import org.apache.wiki.WikiSession;
-import org.apache.wiki.api.engine.FilterManager;
-import org.apache.wiki.api.engine.PluginManager;
 import org.apache.wiki.api.exceptions.NoSuchVariableException;
 import org.apache.wiki.api.filters.PageFilter;
 import org.apache.wiki.attachment.AttachmentManager;
+import org.apache.wiki.filters.FilterManager;
 import org.apache.wiki.i18n.InternationalizationManager;
 import org.apache.wiki.modules.InternalModule;
 import org.apache.wiki.pages.PageManager;
+import org.apache.wiki.plugin.PluginManager;
 import org.apache.wiki.preferences.Preferences;
 
 import javax.servlet.http.HttpServletRequest;