tuhopuu to not take into consideration hidden verts.
This commit: selection code, loop cursor and menu option for 3d header committed.
Still to come will be activation code (perhaps shift-B rotation) after more discussion.
source/blender/src/cursors.c and
source/blender/include/BIF_cursors.h. Allows large cursors on Win32 and X11.
See cursors.c for documentatioin on how to use.