[ptx] HuginOSX : Standalone

[Ippei UKAI]

I have made huginApp.cpp and MainFrame.cpp to be able to find xrc 
directory inside the Application bundle, so HuginOSX now runs as a 
standalone application. I recompiled wx as static library, so I think 
the application should work on any Mac without installation; just 
copying App into anywhere just like other Mac apps. (Though its size is 
now 46MB.)
I will later upload it somewhere, but still the GUI problem around 
wxNotebok is critical and most functions are not accessible yet. That 
problem seems beyond my ability. I hope someone else can take a look at 
it.

So, we need a creator and 128x128 application icon for Mac, don't we?
I think it is good idea to register Creator with Apple.
http://developer.apple.com/datatype/
I could do it, but probably it'd better if the project manager can do 
it. I checked "Hgin" is not yet registered.
And if anyone could send me hugin icon in 128x128 with alpha channel 
(.png be good), I'd appreciate it.

  >>> 鵜飼 一平  (UKAI Ippei)  >>>>>>>>>>>>>>>>>>>>>>>>>
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