pyapi: Append version specific path to os.path rather than prepend
pyapi: Append version specific path to os.path rather than prepend

Other code might depend on os.path[0] being the path of the executed
script, and there is no need for our new path to be at the front.

open-power/eCMD,open-power/eCMD,open-power/eCMD,open-power/eCMD,open-power/eCMD