setting font
Merge branch 'development' of https://github.com/omnipos/OmniPOSDesktop into development
added popup view
added order other function constants
made other functions selectable
Merge branch 'development' of https://github.com/omnipos/OmniPOSDesktop into development
adding payment view
Merge branch 'development' of https://github.com/omnipos/OmniPOSDesktop into development
modified payment screen
integrated payment view