[kubernetes]: Adding alert type based on K8s event type (#728)
[kubernetes]: Adding alert type based on K8s event type (#728)

* Adding alert type based on K8s event type

This patch permits to map kubernetes event type to DataDog Alert
type based on the following table:

Kubernetes Event | Datadog Event
-----------------|--------------
Normal           | info
Warning          | warning

Ref: #693

Signed-off-by: Antonio Ojea <b2c7061d039a233d9cce0b30fa4bdfb51dbe12e8@gmail.com>

* Remove trailing spaces

* Fix link to k8s events and leverage dict get to obtain the event type

* Fix rebase merge

* Remove trailing white spaces

s-maj/integrations-core,varlib1/servermall,varlib1/servermall,varlib1/servermall,DataDog/integrations-core,s-maj/integrations-core,s-maj/integrations-core,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,varlib1/servermall,serverdensity/sd-agent-core-plugins,serverdensity/sd-agent-core-plugins,serverdensity/sd-agent-core-plugins,varlib1/servermall,s-maj/integrations-core,DataDog/integrations-core,serverdensity/sd-agent-core-plugins,DataDog/integrations-core,DataDog/integrations-core,DataDog/integrations-core,s-maj/integrations-core,DataDog/integrations-core,DataDog/integrations-core,serverdensity/sd-agent-core-plugins