document new option `brew cask list -1`

References: #5699
Update rdm to version 0.7.6.8
cut v0.39.2
update maintainer list

- add @federicobond
- add @caskroom (it started appearing in the draft changelog)
- fix quoting
Fix Dropzone app name in the zip file. It changed from 'Dropzone' to 'Dropzone 3'.
minor amendments to release process/changelog

based on lessons learned from failed release v0.39.0,
`git push && git push --follow-tags` is smarter because
it reduces the chance of an unreleasable tag being pushed.
(git pushes the tags before it pushes the commits).
Merge pull request #5748 from lime/rdm-0.7.6.8

Update rdm to version 0.7.6.8
Update limechat app to support OS X Lion

Splits download url between OS X versions

The download link for mountain lion and above, and
lion are different, so this change accounts for
it.
upgraded noip to version 3.2.1
Merge pull request #5729 from rolandwalker/doc_list_1

document new option `brew cask list -1`
Revert "Add Packer v0.6.1"
Merge pull request #5753 from caskroom/revert-5747-fix-5742

Revert "Add Packer v0.6.1"
Update node-webkit to 0.10.2
TexShop 3.39
Merge pull request #5755 from ndr-qef/node-webkit

Update node-webkit to 0.10.2
Merge pull request #5756 from ahbeng/texshop-3.39

TexShop 3.39
Fix Error in checklinks. Closes #5752
Merge pull request #5750 from rolandwalker/release_process_updates

minor amendments to release process/changelog
Merge pull request #5749 from rolandwalker/update_maintainers

update maintainer list
Merge pull request #5754 from federicobond/fix-checklinks

Fix Error in checklinks