rnotes.rst: fix upgrade references to wrong version: 4.3

Signed-off-by: Sebastien Goasguen <runseb@gmail.com>
rebase into branch

Signed-off-by: Sebastien Goasguen <runseb@gmail.com>
sysvm-templates infos in one file and include in upgrade instructions.

Signed-off-by: Sebastien Goasguen <runseb@gmail.com>
split about.rst into multiple files for TOC of new features. new feature title have tag []

Signed-off-by: Sebastien Goasguen <runseb@gmail.com>
api-change, compat matrix,sysvm-urls: cs4.4 updated

Signed-off-by: Sebastien Goasguen <runseb@gmail.com>
remove non 4.4 api changes

Signed-off-by: Sebastien Goasguen <runseb@gmail.com>
Preparation for 4.4 release notes: This closes #10

Signed-off-by: Sebastien Goasguen <runseb@gmail.com>