Img-proof

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- Revert to v1 api version

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- Add architecture option for GCE testing

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- Fix sles repo list for 15 SP4, remove CAP repos

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- Consolidate the EC2 billing code tests

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- Add kernel command line test for Azure
- Add role and scope to SP creation command

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- Add Python3 modules to 15 SP4 in repos test and remove python2
- Cleanup bugs in test results output
- Check for pretty name in motd and old format
- Add option to test shared gallery images