Fix test suite failures on Windows#586

Merged

emilio merged 3 commits intomozilla:masterfrom

petrochenkov:master

Oct 3, 2020

Commits on Oct 2, 2020

Checkout files with LF line endings
petrochenkov
committed
Use `U'...'` character literals instead of `L'...'` character literals
petrochenkov
committed
Rename ARCHITECTURE.md to internals.md in contributing instructions
petrochenkov
committed