Bump engineyard-serverside to 2.3.9 which includes many bugfixes
Merge pull request #179 from engineyard/serverside-2.3.9

Bump engineyard-serverside to 2.3.9 which includes many bugfixes
Update .travis.yml to only build ruby targets >= 1.9.3
Merge pull request #180 from engineyard/drop-18-travis

Update .travis.yml to only build ruby targets >= 1.9.3
Use net-ssh with keep alive. Set server keep alive to 60

This will help avoid dropped connections during long processes.
Merge pull request #176 from engineyard/keepalive

Use net-ssh with keep alive. Set server keep alive to 60
Require ruby version 1.9.3 moving forward
Ruby 1.9 ALL the hashes!
Update gemspec to cloud-client 2.0.1 for deprecation fix in the gem