Small cleanups on the ostree recipes

• Clarify the actual reason machine-id can't be truncated earlier
• Drop the "00000000.0" timestamp defaults
• sdk: Explicitly pass devroot URL
• ostree-commit: Export the list of files that will get committed
• ostree: Subsume ostree-prepare.sh into the recipe itself
• ostree-commit: Provide descriptions for steps that lacked one
• ostree-commit: Commit by default to the uefi board/branch

added 7 commits

• becb68d9 - ostree-commit: Commit by default to the uefi board/branch
• f5b9cd3a - ostree-commit: Provide descriptions for steps that lacked one
• 5fa933ba - ostree: Subsume ostree-prepare.sh into the recipe itself
• e46b481a - ostree-commit: Export the list of files that will get committed
• e690fcc3 - media: Bind mount to /run/media
• 07bc3157 - Drop the "00000000.0" timestamp defaults
• 8e6f7b32 - sdk: Explicitly pass devroot URL

Compare with previous version

added 8 commits

• f03ceb2b - 1 commit from branch apertis/v2019dev0
• 0243bf3f - ostree-commit: Commit by default to the uefi board/branch
• 5a5241f9 - ostree-commit: Provide descriptions for steps that lacked one
• ef65589d - ostree: Subsume ostree-prepare.sh into the recipe itself
• cdfc5eca - ostree-commit: Export the list of files that will get committed
• 278c7a37 - media: Bind mount to /run/media
• 9325078f - Drop the "00000000.0" timestamp defaults
• c31ff70c - sdk: Explicitly pass devroot URL

Compare with previous version

added 7 commits

• 15596d83 - ostree-commit: Commit by default to the uefi board/branch
• bcb1fd7e - ostree-commit: Provide descriptions for steps that lacked one
• 1fb9d440 - ostree: Subsume ostree-prepare.sh into the recipe itself
• 7755d843 - ostree-commit: Export the list of files that will get committed
• 99e4fcac - ostree: Align the default image names to the non-ostree ones
• d7211a7c - sdk: Explicitly pass devroot URL
• 39f9fe8a - Drop the "00000000.0" timestamp defaults

Compare with previous version

resolved all discussions

changed the description

added 1 commit

• 5de7d37e - Clarify the actual reason machine-id can't be truncated earlier

Compare with previous version

changed the description

mentioned in merge request !99 (merged)

added 6 commits

• e70b1fee - ostree: Subsume ostree-prepare.sh into the recipe itself
• ec4b6ca0 - ostree-commit: Export the list of files that will get committed
• 3955c364 - ostree: Align the default image names to the non-ostree ones
• 3195f70e - sdk: Explicitly pass devroot URL
• a4f26527 - Drop the "00000000.0" timestamp defaults
• 2d5b4433 - Clarify the actual reason machine-id can't be truncated earlier

Compare with previous version

resolved all discussions

added 3 commits

• c88bbe14 - sdk: Explicitly pass devroot URL
• 4da3c94a - Drop the "00000000.0" timestamp defaults
• 72d898ff - Clarify the actual reason machine-id can't be truncated earlier

Compare with previous version

changed the description