created separate integrations pages
integration docs
Merge branch 'master' into raysdocs

Conflicts:
	content/index.html
Remove DS store
Alerting guide, images
Merge branch 'master' into raysdocs
Revert "Alerting guide, images"

This reverts commit 0eb60fd39f1b02ed0e661925c60dd855df913f9e.
Update FAQ section, a bit more love to redis
Fix typo.
Merge branch 'master' into raysdocs
alerting fix and integration updates
Merge pull request #74 from DataDog/raysdocs

integration pages, first 10