update install-sx.sh script
fix compile issue with missing min() in wallet.cpp
add sx hd-seed subcommand.
add incomplete hd commands.
add chapter on working with hdkeys
Fix random merge error.
update install-sx.sh script
fix compile issue with missing min() in wallet.cpp
add sx hd-seed subcommand.
add incomplete hd commands.
add chapter on working with hdkeys
Merge remote-tracking branch 'origin/develop' into develop
update install-sx.sh script
fix compile issue with missing min() in wallet.cpp
add sx hd-seed subcommand.
add incomplete hd commands.
Merge remote-tracking branch 'origin/develop' into develop
Update README.md
Update easysx.sh

GUI'd the ```balance``` and ```history``` commands in sx.
Update README.md

Updated image in the readme