remove missing import
add activity icon on units in lesson
adding activities to admin
improve activity edition
allow to create new activity
control to remove alernative from activitie
add button to remove units
re-select unit after save lesson
add button to remove activity
fixing layout of the forum
Merge branch 'master' of github.com:hacklabr/timtec
set up many activities for a unit
setup serializer for multiple activities for one unit
setup 'edit course' page to display activities correctly
add button to allow append activities in unit
re-select activity correctly after save lesson
re-implement button to remove activity
solve problems on add new Unit
refactor to set add many activities in a unit
remove unecessary code and and debug flag for angular