debian: fix version to 4.3.1 in debian log and console-proxy pom

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
CLOUDSTACK-7404: Failed to start an instance when originating template has been deleted

Signed-off-by: Sebastien Goasguen <runseb@gmail.com>
Update CHANGES file with 7404 bug fix
pom: exclude CHANGES.md for license checking

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>