Update index.html

Added translation support to "Introduction", "Active Servers", "Links", "Terms of service" and some words.
Update tr.po

Added new translations for index.html
Update en.po

Added new translations for index.html
Update tr.po

Added new translations of Europe and Oceania
Update en.po

Added msgid for Oceania
Merge pull request #100 from volkans80/patch-2

Added new translation strings for index.html