pdf and epub malformed for sysvmtpl. add stiky sidebar for local usage.

Signed-off-by: Sebastien Goasguen <runseb@gmail.com>
add General Upgrade Notes page

Signed-off-by: Sebastien Goasguen <runseb@gmail.com>
upgrade_notes.rst: commented unconfirmed change: This closes #13

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