AS-15 adding webhooks in manifest view
Splitting the list_webhooks into seperate methods
lint fix
list_webhooks a seperate function - no tests yet
rest/groups view_manifest with webhooks tests added
Revering rest/webhooks changes

Now not required as getting webhooks from view_manifest() model api
Merge branch 'as-15-webhooks-manifest-model' into as-15-webhooks-manifest
using new manifest model api with webhooks

tested by curling. works. yet to write tests.
manifest with webhooks rest test added
lint fix
Merge pull request #556 from rackerlabs/as-15-webhooks-manifest

AS-15 adding webhooks in manifest view