Implementing unit shader.

Signed-off-by: Ken 'Minalien' Murray <minalien@gmail.com>
Updated new location of unit shader.
Updated unit shader.

Signed-off-by: Ken 'Minalien' Murray <minalien@gmail.com>
Updated unit shaders.

Signed-off-by: Ken 'Minalien' Murray <minalien@gmail.com>