scripts: add ci-config-helper script

This sadly is specific to my Jenkins setup, but this should be made
generic. Or absorbed into the repo based config script.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
scripts: add helper to import PRSERV data

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
scripts: make ci-config-helper more generic

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
scripts: add ci-upload-helper-script

This will compress extX and *.img files and drop broken symlinks.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
layerman: use -f with checkouts

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
ci-config-helper: don't extract git snapshot over existing git trees

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
ci-config-helper: be more verbose

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
prserv-import-tool: be more verbose

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
ci-upload-helper: also compress *.sdcard

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
ci-upload-helper: fix quoting

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
ci-upload-helper: also compress ISO images

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
local.conf: disable tar.gz images, tar.xz should be enough

Other image formats specified in MACHINE.conf files will still get
built, only 'tar.gz' has been disabled.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
layerman: drop meta-n450, it doesn't exist anymore

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
local.conf: disable ISO image by default

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>