Add "thematic" theme

thematic/404.php

thematic/PATCHES.txt

thematic/archive.php

thematic/archives.php

thematic/attachment.php

thematic/author.php

thematic/category.php

thematic/comments.php

thematic/footer.php

thematic/functions.php

thematic/header.php

thematic/index.php

thematic/library/extensions/comments-extensions.php

thematic/library/extensions/content-extensions.php

thematic/library/extensions/discussion-extensions.php

thematic/library/extensions/discussion.php

thematic/library/extensions/dynamic-classes.php

thematic/library/extensions/footer-extensions.php

thematic/library/extensions/header-extensions.php

thematic/library/extensions/helpers.php