Add misc documentation
Merge branch 'peppe/common_test/misc_r16b02_docs' into maint

* peppe/common_test/misc_r16b02_docs:
  Add misc documentation

OTP-11272
OTP-11263
OTP-11244
OTP-11238
OTP-11176
Make builtin hook respond to init:stop
Merge branch 'peppe/common_test/init_stop_problem' into maint

* peppe/common_test/init_stop_problem:
  Make builtin hook respond to init:stop

OTP-11175
crypto: Add ticket for 5d8a13bb6a180e0a

OTP-11320
Correct documentation of predefined types

The documentation of predefined types has been corrected

Thanks to Kostis Sagonas.
Merge branch 'hb/erts/refman_corrections/OTP-11321' into maint

* hb/erts/refman_corrections/OTP-11321:
  Correct documentation of predefined types
megaco: Update appup file
Merge branch 'egil/fix-megaco-appup' into maint

* egil/fix-megaco-appup:
  megaco: Update appup file