Readded release hoto file

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@79 fdac6126-5c0c-442c-9429-916003d36597

release.howto

+1. check files
+2. check files with release numbers:
+   Docu/history.docu
+   Dist/Readme
+   VERSION
+3. cvs export -r OpenMesh-<version> -d OpenMesh-<version> OM_DIST
+4. Create HTML-Documentation in OpenMesh/Docu/ (!)
+5. check for directories acgmake and OpenMeshApps
+6. Create tar-ball and zip-archive
+   > tar cvzf OpenMesh-<version>.tar.gz OpenMesh-<version>/
+   > tar cvjf OpenMesh-<version>.tar.bz2 OpenMesh-<version>/
+   > zip -9 -r OpenMesh-<version>.zip OpenMesh-<version>/
+7. Release Upload