Replace print with logging API.

[saitoicepp]

elmond uses raw print instead of the logging API. This causes uncontrollable noisy log messages. It's better to replace print() with log.debug().

elmond/elmond/perfsonar-elmond/elmond/metadata.py

Line 236 in 7c21d61

print("time_added={0}".format(time_added))

elmond/elmond/perfsonar-elmond/elmond/filters.py

Line 307 in 7c21d61

print("begin_ts={0}, end_ts={1}".format(time_filters['begin'], time_filters['end']))

elmond/elmond/perfsonar-elmond/elmond/filters.py

Line 309 in 7c21d61

print("begin={0}".format(begin))

elmond/elmond/perfsonar-elmond/elmond/filters.py

Line 313 in 7c21d61

print("end={0}".format(end))

elmond/elmond/perfsonar-elmond/elmond/filters.py

Line 399 in 7c21d61

print("filters: {0}".format(filters))