Release 0.6.0

- [x] release notes
- [x] integration tests pass
- [ ] add document about instructions/prerequisites for shipping releases
- [ ] publish preview builds to MyGet
- [ ] test source indexing after install
- [ ] :shipit:
I *think* this change should be fine - I'm testing this on a vanilla VS2013 Update 4 VM, so perhaps this is some hangover from VS2012...