add util/p
add github.com/daviddengcn/go-colortext
add color print framework
modify util\p\print.go copywritting.
color print for gnvm version
color print for gnvm use parameter
add auto newline by P method
add color print by gnvm use
modify gnvm use copywritting.
add P DEFAULT flag logic
add color print by gnvm config
add color print by gnvm ls
add NOTICE flag by P method
add color print by gnvm install
add color print by gnvm uninstall
add color print by gnvm update
add color print by gnvm install npm
add color print by gnvm node-version
add defer by other method
add color print by util.go