apply media_isexternal

Added media_isexternal()

Add check for token when resizing and caching external images

Update phpdocs of checkFileStatus

Support handle of images from ftp.
ml() can built url to these images, either fetch didn't accept them.

Clean internal ids in ml(), that it matches with fetch.php
The resize token was broken because fetch.php cleans the id before the token calculation, while ml() uses the raw id

Added comment to DiffFormatter _escape() method

Clarify use of _escape() method in base class.

Fix wrong config key in deprecated auth message

tar library: another fix for lone zero blocks

ensure security token is included in media url when resize parameter is passed in string form, e.g. 'w=80'

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

fixed exception call FS#2772

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

Russian language update

removed debug statement

thanks @Klap-in

authad: capabilities depend on userdomain specific config

Japanese language update

Korean language update

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

Revert "German language update"

This reverts commit ba09710ad34bb383ae3526e84490a3d545f78866.

Conflicts:
lib/plugins/authad/lang/de/settings.php