Fix some doc build warnings

Removed references to pop3_terminate (that event was removed in a previous
commit).
Merge branch 'fastpath'
Fix a doc reference to ssl_encrypted_heartbeat.

That event isn't exported, instead the content type of
ssl_encrypted_data, which is exported, can be inspected for heartbeats.
Fix a couple of doc build warnings
change validation return value from count to int. Scripts already had been updated, I forgot the function returns..
Update submodules and NEWS.
Merge branch 'fastpath'
Change record ctors to only allow record-field-assignment expressions.

Previously, any expression that evaluates to a record may have been used
in a record ctor's expression list.  This didn't work in all cases,
doesn't provide any unique functionality that can't be done otherwise,
and is possibly a path to introducing subtle scripting errors.

BIT-1192 #closed
openssl / x509 memory leak issues.

initialization had a small leak (static size), verify had none, ocsp_verify had tons.

I hope this was all...
Update submodules, CHANGES, VERSION.
clean up openssl data structures on exit
Merge branch 'topic/bernhard/x509-memory'

BIT-1193 #merged
Fix typos and formatting in event and BiF documentation
Remove remaining references to BROMAGIC
Merge remote-tracking branch 'origin/fastpath'

* origin/fastpath:
  Remove remaining references to BROMAGIC
  Fix typos and formatting in event and BiF documentation
Updating submodule(s).

 [nomail]
intel framework plugin for ssl server_name extension was not updated after api changes :(

Thank you Justin.
Merge remote-tracking branch 'origin/fastpath'

* origin/fastpath:
  intel framework plugin for ssl server_name extension was not updated after api changes :(
include a few more tls changes that we might want to mention in news
Merge remote-tracking branch 'origin/fastpath'

* origin/fastpath:
  include a few more tls changes that we might want to mention in news