- Restruct folder tree

src/Gem/TODO

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+General:
+ osx: carbon/QuickTime not supported anymore since 10.6
+
+Optimization:
+ use a more performant float2int conversion as described in
+	http://www.mega-nerd.com/FPcast/
+
+Output:
+	multiple output
+	"external" windows
+   alpha in gemwindow?
+
+ linux: sometimes window freezes on "destroy"; (JMZ: i experience this sometimes on improper shutdown, but after some (up to 30) seconds, the window finally gets destroyed and pd exits fine; if this is the same as the reported bug, than it is rather an inconvenience than a real bug; does this also happens with Output/ objects or only with the old code?)
+ linux: resizing the window yields weird results
+ osx: [gemcocoawindow] compatible with [gemmacwindow]?
+
+
+Controls:
+	selectables
+
+Geos:
+	vertex stuff
+
+Manips:
+
+Nongeos: 
+	add other light-types
+	check for the maximum number of lights during runtime
+
+Pixes:
+	windows movie loader (have a look at guliverkli?; use gmerlin?)
+
+	upsidedown: pix_rectangle does not respect the upside-down flag and thus sometimes the rectangle appears in the upper-left corner and sometimes in the lower-left corner
+	generally all images on all platforms should have the same (upsidedown!) orientation
+  see http://stackoverflow.com/questions/443086/opengl-topdown-bottomup-textures
+
+
+	pix_rtx: flickering on OSX/ppc in mode#0; 
+		how to prevent execessive memory usage?
+
+	pix_threshold: intial arguments
+
+	pix_crop: arguments/inlets differ!
+
+  pix_freeframe not supported on x86_64 architectures (newer versions of FF support x86_64; check whether this is compatible)
+
+	videopipes:
+		W32:AVIsynth/frameserver (http://www.debugmode.com/frameserver/)
+		W32:VirtualCamera
+		OSX:Syphon (http://syphon.v002.info/)
+
+ osx: pix_movie flickers (check whether this is still true)
+ w32: [pix_share_*] does not exist since the shared-memory concept has not made it to redmond yet
+ w32: crashes when texturing movies (related to GLEW?)
+
+
+
+dreaming:
+ Pd-callbacks:
+  remove the entire callback-stuff for Pd-messages from the obj_realSetup()
+  instead this should be handled centrally in CPPExtern
+	- each member function called <name>Mess() provides a method for "<name>"
+	- dispatching can be done by Pd or Gem (the latter being easier)
+  info/ideas
+    - http://www.codeproject.com/KB/winsdk/callback_adapter.aspx
+    - Qt slot concept (http://sigslot.sourceforge.net/)
+    - reflection/inspection
+    - function-name demangling: http://publib.boulder.ibm.com/infocenter/comphelp/v8v101/index.jsp?topic=/com.ibm.xlcpp8a.doc/proguide/ref/rkcxxflt.htm
+
+ wrap the entire Pd thing into C++:
+	GemOutlet()->send(int val);
+
+BUGS:
+ look into flext conflict (i guess it's related to "new/delete")
+
+ single-object externals will run the setup-function twice; this gives nasty warnings in Pd-0.42
+