fix name of a blog post
fix formats of some notes
add mooc tag for several notes
change css for <hr>
add sharing buttons
background color for tags
add Cole1996
add two Piaget references; change footer css; change about picture
start to create tag cloud
test adding mdwiki
add strunk1918elements
temporarily remove teaching and research navigation
convert many notes from my Doku wiki
experiment with MDwiki
change article list css
add e-learning Canada
canada elearning
new blog post about KF api