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

Signed-off-by: Joachim Wiberg <joachim.wiberg@westermo.com>

Update changelogs and bump version for v1.7 release

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

Update ChangeLog and bump version for v1.6 release

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

Minor, reformat

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

Win32 cleanup for 1.4 final

initial check-in