Pick up ssh config.
Add the missing gemspec.
Bugfix.
Bundler-ify the gem.

- Add runtime dependencies to gemspec.
- Add a rake task to write out the gemspec from the Rakefile.
- Load the relevant libraries via bundler in the tests.
- The matchy gem doesn't seem to be available any more - using
  jnunemaker-matchy instead.
Fail fast if any system command returns an error code.
do not copy .git folders during a deploy
bump the version to 2.4.1
tagging at 2.4.1
Bumping version to 2.4.1
Only match .git directories. Fix tests.
Ignore bundler files
Remove Gemfile.lock. Shouldn't be present for gems.
Use Bundler style gemspec
Add gem_publisher and associated Rake task
Don't use same version series as upstream.
Add jenkins build script
Merge github.com:alphagov/capistrano_rsync_with_remote_cache