From Wrapper to Descendent

* TEST_SAVINGS_TABLE: Is now a type of HTML_TABLE rather than a wrapper.
* sample_table_year.html: New HTML output, minus <style> which will come
back later when CSS is added.
* HTML_BODY: Created
* HTML_ELEMENT: html --> append_html (rename)
* HTML_PAGE: Created
* HTML_BODY: Created
* HTML_TABLE_BODY: Author added
* HTML_TABLE_DATA: Author added
* HTML_TABLE_HEADER: Author added
* HTML_TABLE_ROW: Author added
* HTML_TEXT: Author added and rename html --> append_html
* HTML_ELEMENT_TEST_SET: Test modifications due to html rename and
TEST_SAVINGS_TABLE changes.