oo-admin-ctl-usage fixes: Create index on 'gear_id'+'usage_type'+'created_at' fields for usage_records mongo collection.
Take full screenshots when web tests fail
Added test for adding domain env variable
PODO-61 Added tests for adding and removing domain wide environment variables
Updated platform-oo-admin.feature testing adding and removing domain wide env variables
Bug 979991

Clarify the purpose of npm_global_module_list
Merge pull request #2970 from liggitt/full_screenshot

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Merge pull request #2969 from pravisankar/dev/ravi/usage-sync-fixes

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Merge pull request #2783 from genesarm/PULL_1844

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Merge pull request #2972 from BanzaiMan/dev/hasari/bz979991

Merged by openshift-bot