Add a unique header X-OpenShift-Cartridge-Download to all cart download requests
Bug 965757: Provide output to client on post-configure failure
Bug 966857: Fix executable bit in 10gen cartridge scripts
Additional tests of downloading cartridges
BZ963827 - Improved logging messages
Tests don't pass
Bug 967017: Use underscores for v2 cart script names
Merge pull request #2614 from smarterclayton/add_unique_header_to_cart_download

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Merge pull request #2620 from ironcladlou/bz/965757

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Merge pull request #2630 from ironcladlou/bz/966857

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Merge pull request #2632 from calfonso/master

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Merge pull request #2541 from smarterclayton/additional_download_tests

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Merge pull request #2633 from ironcladlou/bz/967017

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