add sidebar, try to hide navbar when screen is large
hide navbar whens screen is large. Look at navbar-custom in clean-blog.css where display : none
fix image header link in about and contact (no preceding slash)
smaller site-heading, text moved to left, remove small horizontal bar
smaller heading done.
put in the statbook. Add math css (smaller font size)
change the grid layout (math got col-lg-10 instead of 8)
update readme, site name, etc.