git sync for colleagues.

All in 1 big commit :)...
Do as I say... not as I do (in my private stuff anyway)

.editorconfig

@@ -0,0 +1,24 @@
+root = true
+
+[*]
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+charset = utf-8
+
+[Makefile]
+indent_style = tab
+indent_size = 8
+
+[{deps,tools,build}/**]
+indent_style = ignore
+indent_size = ignore
+end_of_line = ignore
+trim_trailing_whitespace = ignore
+charset = ignore
+
+[{test/fixtures,deps,build,tools/eslint,tools/gyp,tools/icu,tools/msvs}/**]
+insert_final_newline = false