[PERFECTIVE] Move community guidelines & contributing to wiki.

README.md

@@ -11,7 +11,8 @@ software. The tool is based on IEEE 1685-2014 "IP-XACT" standard.
 Windows installer and tar-package for Linux are available in 
 [SourceForge](https://sourceforge.net/projects/kactus2/)
 
-Guidelines for issue reporting and contributing are given in [CONTRIBUTING.md](CONTRIBUTING.md).
+Guidelines for issue reporting and contributing are given in the wiki page [Contributing to Kactus2](https://github.com/kactus2/kactus2dev/wiki/Contributing-to-Kactus2).  
+
 Other support is provided by email: [email protected]
 
 ### What you can do with Kactus2
@@ -68,9 +69,6 @@ In addition, Kactus2 uses the file **configure.cfg**for updating the users' sett
 new setting options are introduced in the tool. Please do not modify this file as it will
 break the compatibility with earlier versions.
 
-## Community Guidelines & Contributions
-Please see [CONTRIBUTING.md](CONTRIBUTING.md) for details.
-
 ## Contributors
 Antti Kamppi, Joni-Matti Määttä, Lauri Matilainen, Timo D. Hämäläinen,
 Mikko Teuho, Juho Järvinen, Esko Pekkarinen, Janne Virtanen,