WL-1923 Fix for broken poll results.

This was caused by a broken WL-1440 merge. Which I think was caused by SAK-17206 which added better handling when poll options get deleted.
WL-1438 Do not check visitRight if the poll is public

WL-1438 Allow votes on public polls by anyone
WL-3242 Add a reset poll button

Puts the reset button at the bottom of the page, next delete. Allows
multiple polls to be reset.

WL-3242 Fix Javadoc, indentation and security checks

WL-3242 Move userCanDeletePoll method

Moving userCanDeletetPoll method from ExternalLogic.java to PollListManager.java

WL-3242 Fix indentation in PollToolBean

WL-3242 Removing unecessary catch
Try to fix Jenkins (with a dummy commit in polls submodule)