i18n support: Add new languages in login page.

Adding the 'Deutsch (Deutschland)' German, 'Español (España)'
Spanish, 'Français (France)' French, 'Italiano (Italia)' Italian,
'日本語 (日本)' Japanese, '한국어 (대한민국)' Korean,
'Русский (Россия)' Russian and '中文（繁體）' Traditional Chinese
languages as options in the login page to be selected before use
Kimchi.

Signed-off-by: Paulo Vital <pvital@linux.vnet.ibm.com>