Merge branch 'develop' for 5.3-RC1

Changed to version 5.2.2

bwf_slinga

Added clearing of LCD, resolved sm6yvr#10

* New structure in definition.h so

* Changed how to enable/disable the different modules in the code.
* Moved user-config from Liam.ino to definition.h
* Merged Liam5_Setup_and_Debug into Liam and added a new SetupDebug mode.
* Added SetupDebug for ADXL345

Updated README

Updated README