.github: need to checkout tree to parse ChangeLog.md

Signed-off-by: Joachim Wiberg <[email protected]>

Update changelogs and bump version for v1.7 release

Signed-off-by: Joachim Nilsson <[email protected]>

Update ChangeLog and bump version for v1.6 release

Signed-off-by: Joachim Nilsson <[email protected]>

Minor, reformat

Signed-off-by: Joachim Nilsson <[email protected]>

Win32 cleanup for 1.4 final

initial check-in