config manager: removed dead/commented code

fixed saving in config plugin

Saving worked, but did you log out everytime. Now it is checked if the
auth mechanism was actually changed before assuming the login is
invalid.

partial revert of 23e8f02b8aa3a74fed70f1a496bdb5423908133a

okay. I can't read. we already had a multiline config. It's the default.
So I reverted my change, except for making use of formText/cleanTe

partial revert of 23e8f02b8aa3a74fed70f1a496bdb5423908133a

okay. I can't read. we already had a multiline config. It's the default.
So I reverted my change, except for making use of formText/cleanText for
proper line ending handling and I added made focused textareas a bit
larger.

show more ...

added 'text' to config plugin for multi line text configs

Korean language update

Latvian language update

Persian language update

Spanish language update

russian language update

Brazilia Portuguese language update

Basque language update

Esperanto language update

Slovak language update

Italian language update

added missing info.txt parameters, added plugin plugin's info.txt, adjusted old default template's description

updated (and added missing) info.txt files

Replacing $_REQUEST variables with $INPUT wrapper, config/admin.php

French language update

Spanish language update

Finish language update

Traditional Chinese language update

Finish language update

Dutch language update

Czech language update

replace deprecated split calls FS#2583