fixing profile form for mobile devices
fixing the layout of the profile
fixes #215
show login for non enrolled users when they click on units
fixing signin/signup modal's form
Merge branch 'issue199'
Merge branch 'issue208'
Merge branch 'issue213'
new requirements all from released software \o/
make clean rule
fix back and forward buttons, this bug prevents use to back in last activity using back button in browser
Merge branch 'master' into staging