Ulimit's HardLimit and SoftLimit validator change (#764)
Ulimit's HardLimit and SoftLimit validator change (#764)

Ulimit's HardLimit and SoftLimit validator needs to be integer and not positive_integer.
http://docs.aws.amazon.com/AmazonECS/latest/developerguide/task_definition_parameters.html#container_definition_limits
For example memlock can be -1:-1 as required by:
https://www.elastic.co/guide/en/elasticsearch/reference/5.4/docker.html#_notes_for_production_use_and_defaults
cloudtools/troposphere,ikben/troposphere,cloudtools/troposphere,pas256/troposphere,johnctitus/troposphere,pas256/troposphere,ikben/troposphere,johnctitus/troposphere