Add Korean translation

Not sure if translation is allowed... :P
Merge pull request #3 from YenaHong/patch-1

Add Korean translation
translation + fixes

translation + fixes
Update CreateWiki.alias.php
Merge pull request #4 from Southparkfan/patch-2

translation + fixes
Merge pull request #5 from Southparkfan/patch-3

Update CreateWiki.alias.php
Use MediaWiki 1.23 i18n format

Move the i18n over to the new MediaWiki versions
Update ko.json

Fix Korean...
Merge pull request #6 from revi-wm/kor

Update ko.json
add missing i18n line
A bit of merge resolution and ko/nl stuff