Move source into sources/ directory. Delete a few unused images in the process...

Move source into sources/ directory. Delete a few unused images in the process and fix a reference to an Aqua image in FindView

English.lproj/FindView.xib

 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="5053" systemVersion="13C64" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none">
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="5056" systemVersion="13F34" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none">
     <dependencies>
         <deployment defaultVersion="1070" identifier="macosx"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="5053"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="5056"/>
     </dependencies>
     <objects>
         <customObject id="-2" userLabel="File's Owner" customClass="FindViewController">
@@ -36,7 +36,7 @@
                 <button id="23">
                     <rect key="frame" x="261" y="3" width="24" height="23"/>
                     <autoresizingMask key="autoresizingMask" flexibleMinX="YES" flexibleMinY="YES"/>
-                    <buttonCell key="cell" type="square" bezelStyle="shadowlessSquare" image="AquaTabClose_Front" imagePosition="only" alignment="center" alternateImage="AquaTabClose_Front_Pressed" inset="2" id="24">
+                    <buttonCell key="cell" type="square" bezelStyle="shadowlessSquare" image="TabClose_Front" imagePosition="only" alignment="center" alternateImage="TabClose_Front_Pressed" inset="2" id="24">
                         <behavior key="behavior" lightByContents="YES"/>
                         <font key="font" metaFont="system"/>
                         <string key="keyEquivalent" base64-UTF8="YES">
@@ -80,9 +80,9 @@ Gw
         </menu>
     </objects>
     <resources>
-        <image name="AquaTabClose_Front" width="12" height="12"/>
-        <image name="AquaTabClose_Front_Pressed" width="12" height="12"/>
         <image name="NSGoLeftTemplate" width="9" height="9"/>
         <image name="NSGoRightTemplate" width="9" height="9"/>
+        <image name="TabClose_Front" width="15" height="15"/>
+        <image name="TabClose_Front_Pressed" width="15" height="15"/>
     </resources>
 </document>