CLOUD-135 improve logging in progress
CLOUD-135 logging with factories
CLOUD-135 added more specific context to every log call
CLOUD-135 fixed tests
CLOUD-135 removed unused variable
CLOUD-135 fixed naming
CLOUD-135 fixed message
CLOUD-135 added ambari polling
Merge pull request #319 from sequenceiq/logging

Logging
CLOUD-106 apply oauth based changes on cloudbreak events
CLOUD-106 add start/stop handling functionality to usage generation
CLOUD-106 round up started hours in usage generation
CLOUD-106 delete previously generated usages and create usages for every user
CLOUD-106 fix usages rest endpoints and the underlying services
CLOUD-106 add Oauth2 scopes to security configuration
CLOUD-106 add GCC template support to event service
CLOUD-106 use BillingStatus to indentify stack start and stop events
CLOUD-106 fix handlers tests
CLOUD-106 schedule usage generation with cron expression
CLOUD-106 generate cloudbreak usage on a daily basis