* Various small fixes
Add configuration and other titles
Remove empty lines
Fix indentation for configuration block
Reorder key list to be in line with the rest
Delete empty default value and fixed value type
* None is a valid value
* First draft of Axis component documentation
* Small improvements
* Added information about lowest supported Axis firmware
* Trigger time better explains functionality than scan interval
* Simplified explanation of automatic discovery
* Rephrasing manually configuring device
* Keep first and second level variables separated for ease of reading
* Moved up dependency and used Hassbian paths as an example
* Indented include variables descriptions to clarify their relation
* Made configuration variables tile linkable
* Axis devices are part of the discovery mechanism
* Update axis.markdown
* Update binary_sensor.axis.markdown
* Update camera.axis.markdown