[NFS-Ganesha-Support] Announce Push of V6.0

Branch next Tag:V6.0 Merge Highlights * Add testing instructions to CONTRIBUTING_HOWTO.txt * MDCACHE: Fix crash due to misordered code * Connection manager: we need to set the gsh_client in the connection * clang formatting Signed-off-by: Frank S. Filz <ffilzlnx(a)mindspring.com&gt; Contents: c73adbdeb Frank S. Filz V6.0 5b6471396 Frank S. Filz Add testing instructions to CONTRIBUTING_HOWTO.txt 8f275d68d Lior Suliman Added formatting commits to git blame ignore file 5c7b586f8 Lior Suliman Added .clang-format configuration and fixed all the formatting 4f1c487ec Frank S. Filz Connection manager: we need to set the gsh_client in the connection cec4e0728 Frank S. Filz MDCACHE: Fix crash due to misordered code