* service source: support for multiple hostnames per annotation
* go fmt
* Make parseHostnameAnnontations inline
* Update CHANGELOG.md
* Update Changelog
* ref(sources): refactor source registration and lookup to be lazy.
* fix(fake): don't make changes to passed in config values
* rework without init, tests are missing
* make client provider public
* fix all tests
* change parameter list order, minor improvements
* clientprovider -> clientgenerator, switch naming for interface/struct
* ref(source): use testify with mocks in test code
* fix: re-introduce NewMockSource for convenience
* fix: avoid circular dependency
* ref: increase usage of testify
* chore: vendor testify as a dependency
* fix(*): cleanup testify expectations
* continue on controller loop error
* add logging in source
* use formatter on logChanges for endpoints
* fix log messages, log skipped records
* add logging in aws, uppercase the rest
* respect google dry run policy
* add ing/svc namespace/name on logging
* fix error logging on template failure
* fix bugs, propagate template error
* log if nothing is being updated, debug log skipped endpoints
* change zone-not-found logging order
* add --fqdn-template
* add missing ,
* gofmt
* no endpoint creation on empty fqdntemplate
* improve test coverage
* gofmt simple on service_test.go and ingress_test.go
* import package order changed
* gofmt
* refactor to generate template in the source init
* refactor for err handling
* fix service tests
* fix wrong check, check for priorities, mate > template
* fix tests, check for controller annotation in the right place
* add to changelog
* add flag description, improve testing, reorganize imports
* review changes: log the error, use text/template, change func interface
* feat(aws): support hostnames as endpoint targets
* docs: describe how to run ExternalDNS on AWS
* docs: update changelog with CNAME feature
* docs: update changelog to include AWS documentation
* fix(aws): test that updating records removes the old value
* feat(google): add CNAME support to Google provider
* fix(source): sanitize source and target hostnames
* docs: update changelog to include latest changes
* docs(aws): mention that ExternalDNS takes full ownership of a hosted zone
* fix(aws): switch route53 tests to use endpoint pointers
* docs: add TODO to remove record filtering once ownership is in place
