Update 2014-04-05-hogwarts-and_inverts.markdown

Added Mary's blog
Update 2014-04-05-hogwarts-and_inverts.markdown

edited typo in andrea's update
Update 2014-04-05-hogwarts-and_inverts.markdown

Added Andy blog
Added weekly blog
Update 2014-04-18-buggin-out.markdown
Update 2014-04-18-buggin-out.markdown

Updated blog
Trying to make posts a bit prettier
Updating sidebar
Removed here we are
Added picture to sidebar
Update post_sidebar.html

Added frog update