* bugfix - PUT should have a payload for Mark as Read (#1579)
* bugfix - PUT should have a payload for Mark as Read
* also fix the Observable client test
* add integration tests for MarkRead methods
* Fixup MarkReadForRepository methods to specify a body in the PUT request
* Fix unit tests for regular and observable client
* helps if the new files are included in the test project :)
* Cloning ApiInfo object should work when some fields are null (#1580)
* Adjust ApiInfo.Clone() to work even if some elements (eg ETag) are null
* Remove c# 6 language feature and do it the old school way
* Add a test for cloning ApiInfo when some fields are null
* The 3 lists can never be null anyway so remove some un-needed statements
* Add test for null RateLimit
* Remove Rx-Main dependency from samples
This resolves#1592 - LINQPad doesn't understand how to restore this unlisted package and it's not actually needed in the samples.
* Adding RemovedFromProject and other missing EventInfoState types. (#1591)
* Adding missing review types to event info.
* Fixing whitespace.
* Reword `BaseRefChanged` comment
* Adding missing event types.
* Change response models 'Url' properties from `Uri` to `string` (#1585)
* Add convention test to ensure 'Url' properties are of type string
Closes#1582
* Change 'Url' properties from Uri to string
Global Find/Replace FTW!
* fix compilation errors in the integration tests project
* Extend 'Url' properties type check to request models
* Stick to convention tests naming convention
* Remove unused using directives in models
Changing from `Uri` to `string` means the `using System;`
directive was not needed anymore in some files
* Update exception message wording
* empty commit to trigger a new build - hopefully Travis passes
* add convention test to ensure request models have Uri 'Url' properties
* make request models 'Url' properties Uri
fix typo in convention test name
* revert some request models 'Url' properties as `string`
see https://github.com/octokit/octokit.net/pull/1585#issuecomment-297186728
* Change test so that all model types must have 'Url' properties of type string
- Filter test input to only get types which have 'Url' properties
- Merge response and request model types tests into one
- Unparameterize the exception since we only check for the string type now
* Fix string.Format tokens
If this PR doesn't get rebased, it'll be my wall of shame FOREVER!
* and then it's even more embarrassing when the commit message says rebased but you really meant squashed
* Remove exclusion of `Release` from request models
* Implement Issue Timeline preview API
* Add DebuggerDisplay to response models
* Rename method
* Add Observable Issue Timeline client
* Add that missing property thing
* Add teh comments
* Added unit tests
* Fix method names
* Add missing event type enum and API preview accept header
* Add integration tests for async client
* Pass in API preview header
* Add observable integration tests
* Unbreak the broken tests...
* Remove unnecessary usings
* Add missing events
* Fix API URLs
* Add overloads for using repository Id instead of owner/repo and paging
* Add tests for repository id overloads
* Add paging tests
* I'm clearly a bit rusty about this test thing here...
* Missed a check for null argument
* Added missing XMLDocs
