Changed email for travis ci.
Changed email for travis ci.

jtakayama/makahiki-draft,yongwen/makahiki,jtakayama/makahiki-draft,yongwen/makahiki,jtakayama/makahiki-draft,csdl/makahiki,csdl/makahiki,csdl/makahiki,yongwen/makahiki,csdl/makahiki,jtakayama/makahiki-draft,yongwen/makahiki