fix English typo

Don't display unnecessary infos when nothing has been found

Show matching tags in search results

Add tag filter placeholder to search form

Add cleanup tool to admin interface

Add config to disable namespace column in overview tables

some language updates

Fetch list of tagged pages with Ajax

Remove "written as" from tag management table

Add filters in admin overview

Add JS admin component

Update lang files

Add advanced search filter

better tag admin toggle wording

Still not perfect, but a little better maybe.

editing tags by admin works

javascript part implemented

switch to jquery-ui buttons

toggle admin mode

columns sort

fix lang typo

basic filtering by namespace using simple LIKE statement

implement #34

Show tag in search results title

Possible issue: The korean translation may now be out of date.

fixed renaming tags

added invisible tags and a way to directly jump to tagged pages