The gen_event callback module expects terminate/2, not terminate/1
erts: Fix time_SUITE:consistency to work over turn of the month
common_test: added code_change/3 for gen_event behaviour
Merge branch 'sverk/time-consistency-test' into maint

* sverk/time-consistency-test:
  erts: Fix time_SUITE:consistency to work over turn of the month
Merge branch 'robertoaloi/cth_fix_terminate/OTP-11401' into maint

* robertoaloi/cth_fix_terminate/OTP-11401:
  common_test: added code_change/3 for gen_event behaviour
  The gen_event callback module expects terminate/2, not terminate/1