John Hua a4693b5dea Add/Overwrite default images in IMAGE_URLS and detect duplicates ... IMAGE_URLS could be set both in localrc with customization or stackrc by default. By setting DOWNLOAD_DEFAULT_IMAGES, user could choose to add default images to IMAGE_URLS or overwrite them. As uploading duplicate images will cause a "409 Conflict" error, a duplicate detection will expose it earlier. Care needs to be taken that you don't end up with a duplicate image, so clean up Xen's README. Depends-On: I6fbae12f950a03afab39f341132746d3db9f788c Change-Id: I3ca4e576aa3fb8992c08ca44900a8c53dd4b4163 Closes-Bug: #1473432		2015-08-27 10:33:26 +01:00
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source	Add/Overwrite default images in IMAGE_URLS and detect duplicates	2015-08-27 10:33:26 +01:00