WL-3242 Allow poll votes to be removed
WL-3242

Change button text
Add JS confirm before removing or resetting polls
WL-3242

Tidying up files
WL-3242

More tidying of files
WL-3242

Change 'Reset selected items' to 'Reset selected polls'
WL-3242

Put text in i18n file
Use nicer JS for select all 'Remove' header
Separate JS form HTML
WL-3242

Fix indentation
Merge pull request #2 from ox-it/WL-3242

WL-3242 Easy clear/reset on multiple polls.