[mb2] Support qtc_qmake5 for QtC. Set noecho macro for when rpm supports it. Quieten debug

Signed-off-by: David Greaves <david.greaves@jollamobile.com>
[mb2] If ssu is used then verify registration.

Signed-off-by: David Greaves <david.greaves@jollamobile.com>
[mb2] Allow mb2 to run qmake/make without a spec file

Signed-off-by: David Greaves <david.greaves@jollamobile.com>
[sdk-manage] Don't refresh or interact when doing a search or remove

Signed-off-by: David Greaves <david.greaves@jollamobile.com>
[sdk-manage] Add --status and --update to --target

Signed-off-by: David Greaves <david.greaves@jollamobile.com>
[sdk-manage] Add --jfdi option to --target --install since ssu makes zypper se hang

Signed-off-by: David Greaves <david.greaves@jollamobile.com>