Removed packages folder as depedency for osx builds

Will require py2app 0.9

Info.plist

@@ -15,8 +15,8 @@
   </array>
   <key>LSArchitecturePriority</key>
   <array>
-    <string>i386</string>
     <string>x86_64</string>
+    <string>i386</string>
   </array>
 </dict>
 </plist>

setup-release.py

@@ -37,7 +37,7 @@ if sys.platform == 'darwin':
         app=[mainscript],
         options=dict(py2app=dict(argv_emulation=True,
                                  includes=['PyQt4.QtCore', 'PyQt4.QtGui', 'PyQt4.QtWebKit', 'PyQt4.QtNetwork', 'sip'],
-                                 packages=['lib', 'gui', 'plugins', 'packages'],
+                                 packages=['lib', 'gui', 'plugins'],
                                  iconfile='electrum.icns',
                                  plist=plist,
                                  resources=["icons"])),