0.14 release

[adamralph]

Ready when all other issues forming part of the release are Done.

• [x] check build, create release in GitHub UI including releaseNotes, mentioning non-owner contributors, if any
• [x] push nuget package
• [x] copy release notes from GitHub to NuGet
• [x] de-list beta nuget packages if present
• [x] tweet, mentioning contributors and post link for easy retweeting ;-)
• [x] post tweet in JabbR (Nancy, scriptcs, general-chat)
• [x] post links to the NuGet and GitHub release in each issue in this milestone, with thanks to contributors
• [x] increment minor version
• [x] change version in sample/packages.config
• [x] push to origin branch, create PR to upstream master
• [x] check build, merge PR
• [x] create a new milestone for the next release
• [x] create new issue based on this one for next release, adding it to the new milestone
• [x] close all issues on this milestone
• [x] close this milestone