Add top-level Makefile to wrap build/install/test targets
Add top-level Makefile to wrap build/install/test targets

... it is easier to add LD_LIBRARY_PATH etc env variables
for nose and standalone tests this way.

"make test" will now invoke both Python and C tests.

Signed-off-by: Tushar Gohad <0bb77f197006485a08470695af4d30d45f8c97bc@intel.com>

tsg-/pyeclib,tsg-/pyeclib,tsg-/pyeclib