change mail address gmail of "jkhpro1003" to "how2soft". "jkh" means that is the initials of my korean name spelling. I changed it because only Koreans don't use it. Signed-off-by: Steve Jeong <how2soft@gmail.com> Change-Id: Ibf7ceef9b1085f706bb0ce82fcddfa2d13a16b9d