added icon for ipython notebook

python/gen/icons/PythonIcons.java

@@ -48,6 +48,7 @@ public class PythonIcons {
     }
     public static final Icon Dotnet = load("/icons/com/jetbrains/python/dotnet.png"); // 16x16
     public static final Icon InterpreterGear = load("/icons/com/jetbrains/python/interpreterGear.png"); // 16x16
+    public static final Icon IpythonNotebook = load("/icons/com/jetbrains/python/IpythonNotebook.png"); // 16x16
     public static final Icon Jython = load("/icons/com/jetbrains/python/jython.png"); // 16x16
     
     public static class Nodes {

python/ipnb/src/org/jetbrains/plugins/ipnb/IpnbFileType.java

@@ -18,7 +18,7 @@ package org.jetbrains.plugins.ipnb;
 import com.intellij.openapi.fileTypes.FileType;
 import com.intellij.openapi.vfs.CharsetToolkit;
 import com.intellij.openapi.vfs.VirtualFile;
-import com.intellij.util.PlatformIcons;
+import icons.PythonIcons;
 import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
 
@@ -47,8 +47,8 @@ public class IpnbFileType implements FileType {
   }
 
   public Icon getIcon() {
-    return PlatformIcons.UI_FORM_ICON;
-  } //TODO
+    return PythonIcons.Python.IpythonNotebook;
+  }
 
   public boolean isBinary() {
     return false;