Added icon fonts to app.scss.
Added icon fonts.
Added addition css selectors for icon fonts.
Added icon fonts to tab panel (bottom tabbar)
Added icon-fonts to role panel matrixbuttons.
Added icon-fonts to login panel matrixbuttons.
Fixed bug concerning back/vote button; added icon fonts to statistic
panel.
Fixed strange behaviour that causes that the back button is disappering
after first tab.
General overhaul of matrix button.
Adjusted Question/SessionStatusButton in order to use icon-fonts.
Adjusted user view in order to use icon-fonts.
Fixed multiQuestionStatusButton; Added icons to speaker panels;
added icomoon (icon font) project files.
Overhaul of QuestionDetailsPanel in order to add matrixbuttons and icon
fonts.
Fixed css; justified arsnova logo;
Replaced arsnova logo with icon-fonts.
Added icons to HomePanel and MySessionsPanel.
Added statistic icon-font to QuestionToolbar.
Added icon-fonts to user inclass panel.
Added icon-fonts to speaker inclass panel.