* Testing branch

* Added ability (by define) to scale analog sensor, also with number of decimals (it was formerly zero)
Useful when running on batteries to check the battery voltage just 
adding the appropriate resistor

* Reverting DHTSensor.h file

* Trying again to revert DHTSensor.h

* Using macro DEBUG_MSG

* fix method types

-Fix for issue #1239

Admin pass validation condition always failing. Adding hyphen to chars

Buttons send mqtt message for events with assigned actions to them

(partial) fix for YiDian XS-SSA05 configs

Fix-up style and form validation logic

Show alert if no input on #password page
Do not fail with empty password when on #layout
Fix password selector

This reverts commit f01f2454cc.

Adding images for iWoole Smart LED Desk Lamp

Avoid implicit type="submit" buttons

NPM maintenance

Added BESTEK_MRJ1011

Bump npm version installed by travis
Update package-lock for latest npm version
Bump packages versions and clean-up unused
Missing datatables.js images to avoid warnings

Update ota.py

Inline getFreeStack and mention 2.5.0 helper method