Merge tag '3.6.4' into develop

3.6.4
Preparation for new development cycle after release 3.6.4
Update the tested part
Add Honeypot Url to login page.
Display Honeypot URL in comment form
Remove by-reference
Randomize the Honeypot URL display.

It's better to randomize the way the Honeypot URL is displayed. That way
spammers might be more likely to use the URL.
Update changelog with changes
Version bump 3.6.5-rc.1
Version bump 3.6.5
Merge branch 'release/3.6.5'