Fixed problem with quotes in examples.
Fixed problem with quotes in examples.

Also replaced by quotes to follow the html convention.
smcllns/css-social-buttons,MrSwitch/css-social-buttons,thenaughtychild/css-social-buttons,karlwilbur/css-social-buttons,thenaughtychild/css-social-buttons,samcollins/css-social-buttons,samcollins/css-social-buttons,ebulay/css-social-buttons,csfinch/css-social-buttons,karlwilbur/css-social-buttons,ebulay/css-social-buttons,MrSwitch/css-social-buttons,csfinch/css-social-buttons