INDY-1373: Drop dependency on matplotlib, timelogs now output csv
INDY-1373: Drop dependency on matplotlib, timelogs now output csv

Signed-off-by: Sergey Khoroshavin <b770466c7a06c5fe47531d5f0e31684f1131354d@dsr-corporation.com>

evernym/zeno,evernym/plenum