Indexer: Remove broken and dead readdircache code FS#2771

The code that is removed in this commit has either never been used
(listIndexLenghts) or was completely broken (cacheIndexDir) and was
intro

Indexer: Remove broken and dead readdircache code FS#2771

The code that is removed in this commit has either never been used
(listIndexLenghts) or was completely broken (cacheIndexDir) and was
introduced in the indexer rewrite in 2010. The idea of the rewrite was
to update the readdir cache after every index change instead of on demand.
What the code actually did was removing every updated index from the
cache as it used a wrong if condition. Simply fixing the condition
wouldn't fix the problem as then only updated indexes would be added to
the cache and furthermore the rewrite simply ignored the readdircache
setting. For now the safest solution seems to be removing the code. It
could be added again in a changed form in a future version.

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Indexer: Fix wrong suffix parameter

The suffix parameter is only for the word length in the word index and
not for the metadata index.

Japanese language update

Czech language update

don't pass unused variable in doku.php FS#2774

fixed exception call FS#2772

removed superfluous parameter FS#2773

make sure loaded text has the right encoding

When pages contain non-UTF8 chars (eg. when posted through a script or
when edited on the filesystem, parts of DokuWiki can break resulting in
missing pa

make sure loaded text has the right encoding

When pages contain non-UTF8 chars (eg. when posted through a script or
when edited on the filesystem, parts of DokuWiki can break resulting in
missing page content. This fixes these problems by forcing the content
to UTF-8 on load. This will result in bad characters for input that is
not latin1 but contents will at least be visible.

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Tar: avoid lone zero blocks when adding 0 byte files

use correct endpoint in tpl_actiondropdown FS#2760

fixed missing css placeholders for page container

Russian language update

Japanese language update

removed debug statement

thanks @Klap-in

authad: capabilities depend on userdomain specific config

authad: added compatibility for old option names

adLDAP renamed the ad_username and ad_password to admin_username
admin_password recently. this makes our backend recognize the old
settings

authad: don't request empty fields

fix expiry check for adLDAP version FS#2759

Japanese language update

Korean language update

fix ids in de lang of authAD

de/de-informal: Change "Vorlage" to "Template"

de/de-informal: Re-add TOC suffixes (Will be removed after the release
again)

de/de-informal: Re-apply the updates of ba09710ad34bb383ae3526e84490a3d545f78866

Rename ad_username to admin_username
canDo getUsers to false when unavailable