diff --git a/platform/core-api/src/com/intellij/psi/stubs/package-info.java b/platform/core-api/src/com/intellij/psi/stubs/package-info.java
new file mode 100644
index 000000000000..aad148a9f337
--- /dev/null
+++ b/platform/core-api/src/com/intellij/psi/stubs/package-info.java
@@ -0,0 +1,6 @@
+/**
+ * @see <a href="http://confluence.jetbrains.com/display/IDEADEV/Indexing+and+PSI+Stubs+in+IntelliJ+IDEA">Indexing and PSI Stubs in IntelliJ IDEA</a>
+ *
+ * @see <a href="http://devnet.jetbrains.com/message/5485343#_ga=1.104383616.1427417469.1367843132">Lifecycle of stub creation</a>
+ */
+package com.intellij.psi.stubs;
\ No newline at end of file
diff --git a/platform/platform-impl/src/com/intellij/ide/customize/CustomizeIDEWizardDialog.java b/platform/platform-impl/src/com/intellij/ide/customize/CustomizeIDEWizardDialog.java
index 9afc0ab9f163..0d62d30fa511 100644
--- a/platform/platform-impl/src/com/intellij/ide/customize/CustomizeIDEWizardDialog.java
+++ b/platform/platform-impl/src/com/intellij/ide/customize/CustomizeIDEWizardDialog.java
@@ -15,7 +15,6 @@
  */
 package com.intellij.ide.customize;
 
-import com.intellij.ide.plugins.PluginManager;
 import com.intellij.ide.startup.StartupActionScriptManager;
 import com.intellij.openapi.application.ApplicationNamesInfo;
 import com.intellij.openapi.ui.DialogWrapper;
@@ -27,7 +26,6 @@ import javax.swing.*;
 import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -160,11 +158,6 @@ public class CustomizeIDEWizardDialog extends DialogWrapper implements ActionLis
     for (AbstractCustomizeWizardStep step : mySteps) {
       if (!step.beforeOkAction()) return;
     }
-    try {
-      PluginManager.saveDisabledPlugins(PluginGroups.getInstance().getDisabledPluginIds(), false);
-    }
-    catch (IOException ignored) {
-    }
     super.doOKAction();
   }
 
diff --git a/platform/platform-impl/src/com/intellij/ide/customize/CustomizePluginsStepPanel.java b/platform/platform-impl/src/com/intellij/ide/customize/CustomizePluginsStepPanel.java
index 5fa3bbcbbd25..9bd14b69cb47 100644
--- a/platform/platform-impl/src/com/intellij/ide/customize/CustomizePluginsStepPanel.java
+++ b/platform/platform-impl/src/com/intellij/ide/customize/CustomizePluginsStepPanel.java
@@ -15,6 +15,7 @@
  */
 package com.intellij.ide.customize;
 
+import com.intellij.ide.plugins.PluginManager;
 import com.intellij.openapi.application.ApplicationNamesInfo;
 import com.intellij.openapi.ui.DialogWrapper;
 import com.intellij.openapi.ui.VerticalFlowLayout;
@@ -33,6 +34,7 @@ import javax.swing.border.CompoundBorder;
 import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.io.IOException;
 import java.util.List;
 import java.util.Map;
 
@@ -224,6 +226,16 @@ public class CustomizePluginsStepPanel extends AbstractCustomizeWizardStep imple
     return null;
   }
 
+  @Override
+  public boolean beforeOkAction() {
+    try {
+      PluginManager.saveDisabledPlugins(PluginGroups.getInstance().getDisabledPluginIds(), false);
+    }
+    catch (IOException ignored) {
+    }
+    return true;
+  }
+
   private class IdSetPanel extends JPanel implements LinkListener<String> {
     private JLabel myTitleLabel = new JLabel();
     private JPanel myContentPanel = new JPanel(new GridLayout(0, 3, 5, 5));
diff --git a/plugins/terminal/lib/jediterm-pty-2.0.jar b/plugins/terminal/lib/jediterm-pty-2.0.jar
index cc675793686e..ee86ea44c15e 100644
Binary files a/plugins/terminal/lib/jediterm-pty-2.0.jar and b/plugins/terminal/lib/jediterm-pty-2.0.jar differ
diff --git a/python/psi-api/src/com/jetbrains/python/FunctionParameter.java b/python/psi-api/src/com/jetbrains/python/FunctionParameter.java
index bceba9efc24b..622a092ef43c 100644
--- a/python/psi-api/src/com/jetbrains/python/FunctionParameter.java
+++ b/python/psi-api/src/com/jetbrains/python/FunctionParameter.java
@@ -9,7 +9,13 @@ import org.jetbrains.annotations.Nullable;
  */
 public interface FunctionParameter {
   /**
-   * @return parameter position
+   * Position value if argument is keyword-only
+   */
+  int POSITION_NOT_SUPPORTED = -1;
+
+  /**
+   * @return parameter position. Be sure to check position is supported (!= {@link #POSITION_NOT_SUPPORTED} )
+   * @see #POSITION_NOT_SUPPORTED
    */
   int getPosition();
 
diff --git a/python/src/com/jetbrains/python/psi/PsiQuery.java b/python/src/com/jetbrains/python/psi/PsiQuery.java
index 92be4c725bfc..f0893e9e6ae2 100644
--- a/python/src/com/jetbrains/python/psi/PsiQuery.java
+++ b/python/src/com/jetbrains/python/psi/PsiQuery.java
@@ -107,7 +107,14 @@ public class PsiQuery {
    */
   @NotNull
   public PsiQuery parents(@NotNull final Class<? extends PsiElement> clazz) {
-    throw new RuntimeException("Not impl");
+    final List<PsiElement> result = new ArrayList<PsiElement>();
+    for (final PsiElement element : myPsiElements) {
+      final PsiElement parent = PsiTreeUtil.getParentOfType(element, clazz);
+      if (parent != null) {
+        result.add(parent);
+      }
+    }
+    return new PsiQuery(result);
   }
 
 
diff --git a/python/src/com/jetbrains/python/psi/impl/PyArgumentListImpl.java b/python/src/com/jetbrains/python/psi/impl/PyArgumentListImpl.java
index 2166c6a396c9..a92515d487fa 100644
--- a/python/src/com/jetbrains/python/psi/impl/PyArgumentListImpl.java
+++ b/python/src/com/jetbrains/python/psi/impl/PyArgumentListImpl.java
@@ -24,10 +24,10 @@ import com.intellij.psi.tree.TokenSet;
 import com.intellij.psi.util.PsiTreeUtil;
 import com.intellij.util.IncorrectOperationException;
 import com.jetbrains.NotNullPredicate;
+import com.jetbrains.python.FunctionParameter;
 import com.jetbrains.python.PyElementTypes;
 import com.jetbrains.python.PyTokenTypes;
 import com.jetbrains.python.PythonDialectsTokenSetProvider;
-import com.jetbrains.python.FunctionParameter;
 import com.jetbrains.python.psi.*;
 import com.jetbrains.python.psi.resolve.PyResolveContext;
 import org.jetbrains.annotations.NotNull;
@@ -344,11 +344,13 @@ public class PyArgumentListImpl extends PyElementImpl implements PyArgumentList
     }
 
     final PyExpression[] arguments = getArguments();
-    if (arguments.length > parameter.getPosition()) {
-      final PyExpression result = arguments[parameter.getPosition()];
+    final int position = parameter.getPosition();
+    if ((position != FunctionParameter.POSITION_NOT_SUPPORTED) && (arguments.length > position)) {
+      final PyExpression result = arguments[position];
       if (result instanceof PyKeywordArgument) {
         ((PyKeywordArgument)result).getValueExpression();
-      } else {
+      }
+      else {
         return result;
       }
     }