gui
registration screen user type choice, and then needed fields, after registration user gets to download/save his certificate 
login screen drag/select file location and then unlock the p12 cert, then login screen.

organizer screen - panel with all current polls, section bellow it for finished polls sorted by latest,  above all that <create new poll button>, user can select the previus polls to see vote graphs

voter screen - only can see ongoing polls and after selection once he gets a radio button select, then after voting he gets notification? on success??