Remove local sdf files, added .gitignore - which needs improvement
Merge branch 'master' of https://github.com/zarthcode/BoneMarrow
Added driver libraries directly as a project. (Though, this prolly ought to be a submodule from somewhere...)

Signed-off-by: Anthony <anthony.clay@zarthcode.com>
Board support files have been integrated into drivers.  These modified Makefiles reflect the improved build process.  However, we now have an item to maintain.  (Note std includes provided by arm-eabi are not folded-in.)

Signed-off-by: Anthony <anthony.clay@zarthcode.com>