Merge pull request SeleniumHQ#594 from SeleniumHQ/release-3.6.0-copper

3.6.0-copper release

3.6.0-bromine release

3.6.0-americium release

3.5.3 boron release

update to 3.5.3-astatine

Signed-off-by: Daniel Davison <[email protected]>

update to 3.5.2

update to 3.5.1

make

Merge pull request SeleniumHQ#532 from niQo/patch-1

update Firefox to version 55

update to 3.4.0-ensteinium