1 - Please read ChangeLog (in ciwiki-2.x.x folder)
2 - If you upgrade CiWiki from a previous version ( < 2.0.0 ) : 
- Please copy the files from the folder.didiwiki to the folder .ciwiki/  ( cp .didiwiki/* .ciwiki )
and copy the file .login.txt from the folder .didiwiki/permission to the folder .ciwiki/permission
( cp .didiwiki/permission/.login.txt .ciwiki/permission )
