[client] viewer/users_ajax: Remove garbage comma after attribute.

Signed-off-by: YOSHIFUJI Hideaki <hideaki.yoshifuji@miraclelinux.com>
[client] viewer/incident_settings_ajax: Remove garbage comma after attribute.

Signed-off-by: YOSHIFUJI Hideaki <hideaki.yoshifuji@miraclelinux.com>
[client] viewer/actions_ajax: Remove garbage comma after attribute.

Signed-off-by: YOSHIFUJI Hideaki <hideaki.yoshifuji@miraclelinux.com>
[client] base_ajax: Fix several html5 errors.

- Add doctyle declaration.
- No closing tag for meta or link.
- Form method in lowercase.

Signed-off-by: YOSHIFUJI Hideaki <hideaki.yoshifuji@miraclelinux.com>
Merge pull request #570 from project-hatohol/html5-20140917a

Fix several html errors