Update/simplify editorconfig (#988)
Update/simplify editorconfig (#988)

Simplified Editorconfig file:

- Keep most commonly implemented editorconfig features and leave the rest of eslint
- Remove types of files we don't even have (such as makefile)
- Reorganised for properly cascading rules (no need to repeat if `**` already captures the rule

http://editorconfig.org
Trustroots/trustroots,Trustroots/trustroots,Trustroots/trustroots,Trustroots/trustroots