bug fix:After appears message "value can't be empty", click "Clear" button, the message is not disappear.
Signed-off-by: Emily <lijuan.zhang@intel.com>
Add README and docs

BTW, correct BSD_LICENSE with missed NIARL copyright.

Signed-off-by: Gang Wei <gang.wei@intel.com>
Format BSD_LICENSE file
Signed-off-by: Emily <lijuan.zhang@intel.com>