Merge branch 'rename-file-paths' into 'master'

app/views/admin/application_settings/_usage.html.haml

doc/api/usage_data.md

doc/development/index.md

doc/development/query_performance.md

doc/development/service_ping/dictionary.md

doc/development/service_ping/index.md

doc/development/service_ping/metrics_dictionary.md

doc/development/service_ping/metrics_instrumentation.md

doc/development/service_ping/review_guidelines.md

doc/development/snowplow/index.md

doc/development/usage_ping/index.md

doc/development/usage_ping/metrics_dictionary.md

doc/development/usage_ping/metrics_instrumentation.md

doc/development/usage_ping/product_intelligence_review.md

doc/development/usage_ping/review_guidelines.md

doc/raketasks/index.md

doc/user/admin_area/settings/usage_statistics.md