fix typo in bytevector-ieee-double-native-set!
nmosh wx/aui: Move constants inside extern "C"
nmosh: Add make-bytevector/ptr to create non-atomic bytevector

... To keep FFI pointers inside bytevectors.
wx: Graphics(again)

Conflicts:

	src/nmosh/ext/wx/CMakeLists.txt
	src/nmosh/ext/wx/graphics/Library.scm
	src/nmosh/ext/wx/graphics/mwx_graphics.cpp
	src/nmosh/ext/wx/mosh_wx.cpp