* Refactoring data_entry_flow and config_entry_flow
Move SOURCE_* to config_entries
Change data_entry_flow.FlowManager.async_init() source param default
to None
Change this first step_id as source or init if source is None
_BaseFlowManagerView pass in SOURCE_USER as default source
* First step of data entry flow decided by _async_create_flow() now
* Lint
* Change helpers.config_entry_flow.DiscoveryFlowHandler default step
* Change FlowManager.async_init source param to context dict param
## Description:
More fixes flagged by pylint 2 that don't hurt to have before the actual pylint 2 upgrade (which I'll submit soon).
## Checklist:
- [ ] The code change is tested and works locally.
- [x] Local tests pass with `tox`. **Your PR cannot be merged unless tests pass**
* phue -> aiohue
* Clean up
* Fix config
* Address comments
* Typo
* Fix rebase error
* Mark light as unavailable when bridge is disconnected
* Tests
* Make Throttle work with double delay and async
* Rework update logic
* Don't resolve host to IP
* Clarify comment
* No longer do unnecessary updates
* Add more doc
* Another comment update
* Wrap up tests
* Lint
* Fix tests
* PyLint does not like mix 'n match async and coroutine
* Lint
* Update aiohue to 1.2
* Lint
* Fix await MagicMock