Replace logo and clean up packaging

Xcode/Info.plist.in

@@ -12,7 +12,7 @@
           <string>smzip</string>
         </array>
         <key>CFBundleTypeIconFile</key>
-        <string>smicon.icns</string>
+        <string>logo.icns</string>
         <key>CFBundleTypeMIMETypes</key>
         <array>
           <string>application/zip</string>
@@ -32,7 +32,7 @@
     <key>CFBundleGetInfoString</key>
     <string>${SM_EXE_NAME} ${SM_VERSION_TRADITIONAL}</string>
     <key>CFBundleIconFile</key>
-    <string>smicon.icns</string>
+    <string>logo.icns</string>
     <key>CFBundleIdentifier</key>
     <string>com.${SM_EXE_NAME}-${SM_VERSION_MAJOR}</string>
     <key>CFBundleInfoDictionaryVersion</key>