Polish language update

Galician language update

Interlingua language update

added missing IXR_IntrospectionServer to autoload classes

Make constants in TarLib.class.php class constants

The constants are required by the class constructor, which effectively
means before the autoloader is triggered. This change fixes that issue.

Typo in ZipLib autoloader

Fix special link displaying in abstract

Load libraries after init

some more load fixes

fixed target handling for license link FS#1917

Russian language update

Move & rename HTML_PAGE_FROMTEMPLATE to common.php

The new COMMON_PAGE_FROMTEMPLATE is triggered by pageTemplate AFTER the template
has been read but before performing the template replacements.

Correct edit conflict detection

Edit conflicts occur when a page has been edited since starting the current edit.
In order to detect them, the date of the newest revision is saved.

Remove wordblock action, issue a msg instead

Move data preprocessing out of html_edit

Allow plugins to manage edit intro text

Add missing global declaration

Allow filtering of block buttons in initToolbar

Galician language update

Italian language update

French language update

Really allow plugins to use section editing

Output common parts of edit forms before the event

Czech language update

Latvian language update