wikilink creating refactored to _resolveinterwiki().

Added DOKU_BASE for local target

FS#2388 give relative path to sendfile on nginx

use http_sendfile correct

enable/disable extensions via AJAX FS#2927

added tests for Doku_Renderer::_resolveInterWiki

Extend showuseras config with username_link

uses the user interwiki link as profile link

wikilink needs wiki target as well

handle interwiki without slashes as pageids. Added user interwiki

* allowed urlparams
* added `wiki:users:` as default user profile link

make media links in rss feeds absolute

This resolves issues with broken images when the wiki feed is
hosted by third parties (e.g. FeedBurner), as mentioned in
FS#2931 comments.

add missing '&' before 't' in url construction

Add Apache module list to ?do=debug information

This should make it possible to see if mod_security is involved,
at least on servers running mod_php.

change default arg value of userinfo in null instead false

Show a domain dropdown when multiple AD domains are configured

This integrates the functionality of the now outdated addomain plugin
directly into the authad plugin and makes multi-domain setups usa

Show a domain dropdown when multiple AD domains are configured

This integrates the functionality of the now outdated addomain plugin
directly into the authad plugin and makes multi-domain setups usable
without SSO.

See also https://github.com/cosmocode/dokuwiki-plugin-addomain

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Revert "fix global $AUTH hiding $auth"

Yes, it's hiding $auth, but detail templates might depend on that. We
need to fix this properly.

This reverts commit 343aa1749f17e62fa68e26193011a5051025881a.

fixed some doc strings

fix global $AUTH hiding $auth

authldap: handle bad groupkey gracefully

fixed whitespace errors introduced in #535

always fullpath repo dirs

adjusted IE detection for smblinks

MSIE 11 tries hard to break any previous working browser detection
even through feature checks. This resolves to browser sniffing (MSIE for
old IE, Trident for IE1

adjusted IE detection for smblinks

MSIE 11 tries hard to break any previous working browser detection
even through feature checks. This resolves to browser sniffing (MSIE for
old IE, Trident for IE11+)

See https://forum.dokuwiki.org/thread/10824

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make HTTPclient check for SSL support

HTTPClient: correctly abort a proxy connection

if a needed CONNECT tunnel fails

order seems to matter for phpunit parameters

show verbose info on skipped tests at travis

more robust HTTP testing

connections are now retried after timeout and failing connections will
be marked as skipped instead of failing. This should reduce false alarms
on travis