* origin/auth_getUserData_improvements:
  KISS - remove class constants for REQUIRE_GROUPS & IGNORE_GROUPS and replace with boolean values
  use $requireGroups constants in auth classes; comments; code improvements
  fix comment errors, sp. & grammar
  code styling - add missing braces
  Allow user info to be retrieved without groups
  Restore correct public interface of getUserData() for authldap plugin

Conflicts:
	inc/common.php

improve qsearch suggestions

Adding X-Forwarded-Proto support

* origin/pr/814:
  translation update

Conflicts:
	inc/lang/ta/lang.php

Added @ALL handeling in auth_isMember

Translation update (fr)

Translation update (ar)

Translation update (cs)

Translation update (de)

Translation update (hr)

Translation update (fr)

Translation update (zh-tw)

Translation update (cs)

Translation update (hr)

Translation update (hr)

Translation update (fa)

fr/newpage.txt: translation suggestion

autorisations suffisants -> permissions suffisantes

Translation update (es)

Translation update (pt-br)

Translation update (fa)

This should avoid problems when a WiFi login redirect intercepts the
update check.
See https://forum.dokuwiki.org/post/45076

Translation update (it)