add more boxes from vagrantbox.es issues

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
remove box data come from vagrantboxes-gh-pages

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
use import-from-heroku

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
add boxes from vagrantbox.es

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
import-from-heroku: trim filename

Signed-off-by: Hiroshi Miura <miurahr@linux.com>