Release mega-20180518
Changes in mega-20180518 (since mega-20180517):
ESPEasy release bot (1):
automatically updated release notes for mega-20180518
Grovkillen (3):
[JavaScript] made static variables "const"
[tools page] wider buttons
[tools page] Center text, factory reset is red
TD-er (1):
[#1431] Add DataAcquisition to /json and reduce json for sensor updates