* Store last working HTTP settings
* Add safe mode
* Fix tests
* Add cloud to safe mode
* Update logging text
* Fix camera tests leaving files behind
* Make emulated_hue tests not leave files behind
* Make logbook tests not leave files behind
* Make tts tests not leave files behind
* Make image_processing tests not leave files behind
* Make manual_mqtt tests not leave files behind
Rewrote the tests a bit
the 'wait for the timer to finish' part of the test is now it's own test.
The rest is a sequence of fire/assert. Which i rewrote to a loop to
reduce the amount of duplicate code