Merge pull request #14 from NochEinDirk/my-contribution

Liked playlist / View-, like-, dislike-, comment-count is working ...
Merge pull request #16 from NochEinDirk/my-contribution

Syntax error on older php versions: array( ... )[$i]
Merge pull request #18 from NochEinDirk/my-contribution

Towards commenting youtube videos ...
Merge pull request #19 from NochEinDirk/my-contribution

Dropdown menu for comments is working ...
www/watch/index.php: IFrame resizes itself onload ...
www/common/comments_iframe.php: Begin of implementing paging ...