Bug #5329 : multilingual - fixing the case of adding a first WYSIWYG content to a publication that the content language is not the same as the one selected at application level.
The language of the WYSIWYG content used was the one selected at application level instead of the one of the publication ...

Conflicts:
	kmelia/kmelia-war/src/main/java/com/stratelia/webactiv/kmelia/servlets/KmeliaRequestRouter.java
Bug #5479 : JCR copy and move problems
- adjusting some code after cherry pick of the commit from core-5.14.x
- fixing the case of the copy that did not work too (history of versions was not respected, i18n was not supported, date of a version was not the one of the original but the date of the copy action !)
- fixing the case of the move
- upgrading the simple document access controller in order to take in account the versions of attachments
- improving the mechanism of universal link associated to attachments
- handling the language content for versioned attachments

Conflicts:
	wiki/wiki-jar/src/main/java/com/ecyrd/jspwiki/providers/WikiVersioningAttachmentProvider.java