refs #57368
Add voting feature.
But also fixed several bugs, add TYPO3 6.2 compatibility and made css definitions fluid.
Sorry for this all-embracing commit.

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/pw_comments/trunk@84521 735d13b6-9817-0410-8766-e36946ffe9aa
Update extension description and copyrights

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/pw_comments/trunk@84522 735d13b6-9817-0410-8766-e36946ffe9aa