fix 500, when user is lazy and register
remove google analytics from devel version
add logo of Adaptive Learning group and links to other projects
stick footer to bottom
remove focus for mobile devices - resolve #32
remove empty skill
hide parent mode for unregistred users in panel
add sing up with username and pass
fix feedback and login modal colision
fix different arrows as symbol for registration
merge conflict fix
added order of migrations - was throwing an exception on empty db