fix help for cli

Signed-off-by: Yakov Goldberg <yakov.g@samsung.com>
add active context global var

Signed-off-by: Yakov Goldberg <yakov.g@samsung.com>
add context refresh api

Signed-off-by: Yakov Goldberg <yakov.g@samsung.com>
layout prettyfing

Signed-off-by: Yakov Goldberg <yakov.g@samsung.com>