fix font from activities title
include dropzone styles
fix login redirect
allow any professor hide forum questions
fixes activities with empty expected
fixes course material upload
a template name is needed
fix width from profile picture
adds messages to indicate that there is no notes in "my notes"
fix hidden question layout
fix border color from hidden question
fix pep8
fix youtube on flash and lesson on default theme
fix start tour button layout, fix tour autostart
fix hiding question in forum
remove logging
fixes user fields in signup forms
fix alerts on lesson and use $timeout
show only published and listed courses in upcoming courses
allow anonymous user to list upcoming courses