Update library icon to fix flip problem
added travis ci
enabeld travis ci email notifications
DEBUG: try to fix icons problem on HDPI screens
try fix button icon size
try drawPixmap within an rect
tmp
implementation of isHighDPI for cocoa
subst fontawesome icons with png icons

fontwsome icons do not work in retina display
use proper repo icon for hdpi
update repo icon
remove fontawesome icon in server status dialog