additional step to check system configuration

Signed-off-by: Sampath Liyanage <plbsam@gmail.com>
Fixed UI alignment issue in error message icon

Signed-off-by: Chanaka Indrajith <pe.chanaka.ck@gmail.com>
Merge pull request #18 from Chanaka/Sahana-UI-Improvements

Fixed UI alignment issue in error message icon
Merge pull request #17 from sampathLiyanage/step_systemcheck

Additional step to check system configuration