change the <title> style
change the style of article info
add link href to panel-list title
improved macro header()
add links to archies.html for the date title in index.html
provide CSS_OVERWRITE to overwrite pelican-iliork's css style
append panel-title to panel-heading
add space to the separator of date title in index.html
add links to date of article_info
change the list entry style of article_panel_list
add link to bootstrap in the footer, remove copyright