Fix bug 969605
Fix bug 969605

Validate control script is executable only if it exists
fix for bz970008
return HTTP Status code 200 from DELETE instead of 204
Merge pull request #2735 from pmorie/bugs/969605

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Merge pull request #2738 from rajatchopra/master

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Merge pull request #2666 from lnader/rest-api-version-1.5

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delete downloaded cartridge when component is deleted
Merge pull request #2740 from danmcp/master

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Merge pull request #2741 from rajatchopra/master

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<oo-diagnostics> modernize and improve

* update necessary RHEL6 selinux-policy version
* remove explicit text references to "service" and "chkconfig"
* fix test for Online project usage
* stop trying to support Enterprise < 1.2
* remove tests duplicated in oo-accept-systems
* WARN don't FAIL for gear profiles without nodes
* FAIL don't WARN for enterprise RPMs from the wrong source
* don't require "pam_namespace.so no_unmount_on_close" to be strictly at end
* incorporate test_mcollective_context, test_mcollective_bad_facts, test_auth_conf_files
Merge pull request #2742 from sosiouxme/diagnostics

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