delete api for aggregates
return only ?last=N aggregates + return not found instead of empty set for non exising check aggregates
validate #?last as integer if not return 400
validate [low|high]_flap_thresholds
Merge pull request #415 from jlambert121/flap_values_validation

validate [low|high]_flap_thresholds
Merge pull request #414 from piavlo/master

delete aggregates api + support to return ?last=N aggregates instead of default 10
[aggregate-limit] cleaned up ?limit=value
[aggregate-limit] increased # of aggregations, 10 -> 20
[aggregate-limit] test aggregate issued limit
[aggregate-limit] minor delete aggregate test
Merge pull request #416 from portertech/aggregate-limit

Cleaned up aggregate limit and added tests
hybird checks should still be able to ship metrics while flapping - take #2
Merge pull request #418 from piavlo/hybird-flapping

hybird checks should still be able to ship metrics while flapping
[flapping] cleaned up flapping handler filter
[flapping] cleaned up handle_flapping config validation
[flapping] travis vm's can be sluggish, wait a little longer
Merge pull request #419 from portertech/flapping

Minor flapping filter cleanup
[flapping] handle_flapping default is nil, nil != false
[flapping] !nil or !false
Merge pull request #420 from portertech/flapping

[flapping] handle_flapping default is nil, nil != false