version 1.2.0->1.2.1
edit setting footer
add currency support
tx max size
level up key limit
rename
when change password will also change trash address
when change password will also change trash address
when change password will also change trash address
Add more currencies, fix #1
add currency symbol to settings
edit private key qr code dialog
edit private key dialog font
add images
add unit util
edit UnitUtil
edit views for units
edit views for units
add bitcoin unit setting
edit tab bar for bitcoin units