Merge branch 'release/v1.2.1' into develop
version->1.2.2
add some strings
fix string unit test
edit sync progress animation
add switch to bither cold when network error
use iOS native method instead of ZBar for qr code scanning
remove ZBar pod
Merge branch 'feature/use_native_ios_method_instead_of_ZBar_for_qr_code_scanning' into develop
add raw private key data view
upgrade
add raw private key view controller
upgrade
edit raw private key input
edit raw private key input
add localization to raw private key view controller
add raw private key to wallet
Merge branch 'feature/raw_private_key' into develop
add qr code quality strings
add qr code quality setting