refs #1720 : modified - move body scripts to head.

 -
 refs #1705 : added - entryIds javascript variable.

 - entryIds
  * type: array(int)
  * content: entry ids.
refs #1705 : More robust form manipulation

Conflicts:
	plugins/reCAPTCHA/index.php
refs #1705 : Let it work even when multple entries are shown.
refs #1705 : reCAPTCHA now works with comment-to-comment as well.