[ticket/12327] Changing poll result-bars width from absolute to relative

PHPBB3-12327
[ticket/12327] Coding style fixes

PHPBB3-12327
[ticket/12327] Ajax fix

PHPBB3-12327
Merge remote-tracking branch 'paybas/ticket/12327' into develop-ascraeus

* paybas/ticket/12327:
  [ticket/12327] Ajax fix
  [ticket/12327] Coding style fixes
  [ticket/12327] Changing poll result-bars width from absolute to relative