Add analogue controls mapping to keyboard

[SoapyMan]

Original issue:
OpenDriver2/REDRIVER2#141

[devatorres]

Will this issue add the option to map controls? ... being able to choose which key does which action.

[SoapyMan]

Will this issue add the option to map controls? ... being able to choose which key does which action.

Controls in PsyX can be remapped, though you need to write custom mapping loading implementation like I did in ReDriver2 using INI parser