request history rates asynchronously
Improve 2FA message and dongle reconnection
simplify names
set env to python2
do not store wallet_type right at the first screen
Delegate firmware update and better error message when connection to the dongle fails
Add firmware check
Merge pull request #847 from btchip/tx-2fa-message

Improve 2FA message and dongle reconnection
Merge pull request #848 from btchip/firmwareupdate

Firmwareupdate
fix #849
fix typo in btcchip second factor prompt dialog
Merge pull request #851 from molecular/test

fix typo in btcchip second factor prompt dialog
Fix bad initializer
Do not crash when asked to export private keys
Fix behavior when calling get_master_public_key from an external context
setup.py: Install qrscanner (it's a library now)
Add default language for mnemonic

Add en as default language for mnemonic
Merge pull request #864 from wozz/default-lang

Add default language for mnemonic
Merge pull request #856 from btchip/fixerrorsigning

Fix bad initializer
Merge pull request #857 from btchip/deny_export_private_key

Do not crash when asked to export private keys