Added information about the new form(), form_start() and form_end() helpers
Documented the usage of FormInterface::handleRequest
Merge pull request #2092 from bschussek/issue5493

[WCM] Added information about the new form(), form_start() and form_end() helpers
[#2092] Minor tweaks to new form request handlers and corresponding twig functions
[#2092] Tweaks thanks to @bschussek
[#2092] Tweaks thanks to @bschussek