Merge pull request #1 from athuan/import-excel

import-excel
Merge pull request #2 from athuan/update-import-excel

add file constant
Merge pull request #3 from athuan/create-interface

create-interface
Merge pull request #4 from athuan/fix-remove-uid

check mail and remove uid
Merge pull request #5 from athuan/update

update
Merge pull request #6 from athuan/fix-use-hash

use spreadsheet
update-interface
Merge pull request #7 from athuan/update-interface

update-interface
update-interface
add uid and use ajax for send button