ReleaseProcedure

1. Update ChangeLog + version info in README
2. Update nobs default URL to point at EX release tarball
3. Commit final guide PDF to docs/guide.pdf
   1. upload to upcxx/upcxx downloads area with name like upcxx-guide-2017.9.0.pdf
   2. TAG the guide repo
4. Commit final spec PDF to docs/spec.pdf
   1. upload to upcxx/upcxx downloads area with name like upcxx-spec-V1.0-Draft4.pdf
   2. TAG the spec repo
5. Generate source release-candidate tarball (from git working dir)
   Be sure to change version in the following:
   git archive --remote=origin develop --prefix=upcxx-2017.9.0/ --format=tar.gz --output=upcxx-2017.9.0.tar.gz Upload this release candidate to (private) berkeleylab/upcxx downloads area
6. Email local group to review the release-candidate
7. Merge to master (updating version below)
   git remote update
git checkout master
git pull --ff-only
git merge --no-ff -m 'Merge develop for 2017.9.0 release' origin/develop
   (push to a private fork on BitBucket or inspect locally with git log)
   git push origin master
8. TAG master (updating version below)
   git tag -a -m 'UPC++ 2017.9.0 release' upcxx-2017.9.0 master
git push origin upcxx-2017.9.0
9. Generate final tarball
   Same command as release candidate except "master" replaces "develop"
   Be sure to change version in the following:
   git archive --remote=origin master --prefix=upcxx-2017.9.0/ --format=tar.gz --output=upcxx-2017.9.0.tar.gz
   Upload this final release to (public) upcxx/upcxx downloads area
10. Advance patch version number on develop branch in src/upcxx.hpp
11. Change nobs URL back to collaborator-snapshot on develop
12. Review and revise the release announcement
13. Update wiki w/ three links: spec, guide and impl
14. Update all 3 issue trackers: add this release to Versions, next one to Milestones and as default Milestone
15. Update Home on berkeleylab/upcxx/wiki with info on the new release including links
16. Update berkeleylab/upcxx/wiki/{README.md,INSTALL.md,docs/*} with files from the release
17. Send the announcement