Merge tag '6.1.1-rc-2' into release/6.1.1

Tagged for 6.1.1-rc-2 release
Merge branch 'release-6.1.1' of git://github.com/runrev/livecode into release/6.1.1
Merge branch 'release-6.1.1' of git://github.com/runrev/livecode into release/6.1.1
Merge branch 'release/6.1.1' into bugfix/iss8884
Merge tag '6.1.1' into bugfix/iss8884

Tagged for 6.1.1 release.
[[ Bug 8884 ]] removed colours property from the scrollbar properties as it was mistakenly left in
Merge branch 'bugfix/iss8884' of https://github.com/montegoulding/livecode into feature-revised_properties_prop
Merge branch 'feature-revised_properties_prop' into release-6.1.2