Boxedwine

Added some more cpu unit tests.

Raspberry unit tests now pass

Fixed the mac build for the sdl abstraction branch

Added x64 automation target to Xcode

Created a new target for Mac automation and turned sandboxing off for it.

Added BOXEDWINE_RECORDER to the mac build so that it can run automation tests

Fixed a calculation issue when drawing text and calculating text width for the app list view.

#26 Worked on x64 stability on Mac by moving some SDL/OpenGL calls to run on the main thread.

#8 Mac fix for cancel download feature

#8 Can now cancel a download. Poco library did not have the ability to close an http request, so I slightly modified the source to access to the raw socket handle.