Replace urlopen() with open() in hiveconf
Replace urlopen() with open() in hiveconf

Since hiveconf only opens local files, as well as urlopen() having the
same behavior as open() for local files, hiveconf should use open()
rather than urlopen(). This avoids the previous ambiguity regarding
if hiveconf allows use of external files.

Signed-off-by: Frida Flodin <ff857b0d3de7ab66a379b61924cd8bf58e81be7b@cendio.se>

astrand/hiveconf,astrand/hiveconf