* Make suitableType() be Endpoint method
With this change it becomes possible to work with endpoint
of empty type in packages other than "provider". Also
it seems logical for a smart property getter without side effects
to be a method rather than a function in different package
* Make plan computation work correctly with multi-target domains
* fix drawing
* drop comments
* fix boilerplate header
* fix comment
* fix the bug with empty map
* rework registry to support random lables
* serialize->serializeLabel function rename
* golint for err variable naming
* add additional test
* add tests for current case where one resource can generate multiple endpoints
* make labels have its own type, add serialization as a method
* add comment for exported error
* use greater rather than not equal zero
* update changelog
* 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
* kickoff txt registry
* fix inmemory dns provider to include recordtype info for validation
* Merge master
* fix ununsed variable in inmemory provider
* add tests for records
* add test for no prefix name formatter
* implement apply changes with tests
* add flag to enable txt registry
* add txt registry to main
* improve sort testing
* filter out non-owned records
* NewEndpoint(...) requires record type
* use newendpoint in aws_test, fix tests
* change suitable type implementation
* fix the test for compatibility component
* change inmemory provider to include recordtype and use suitable type
* fix comments, CNAME should target hostname
* name mapper do not use pointer on struct
* txt prefix - just concatenate, remove spew, fix txt record label
* allow TXT records as result from dns provider
* add changelog
* fix tests
* TXT records need to be enclosed in double quotes
