use https URL
restore fast_git_deploy require to match peepcode video
skip default symlink task
Update gemfile to use https://rubygems.org. SSL issues with https://gemcutter.org
Merge pull request #2 from gpeng/master

Use rubygems.org
Locked Capistrano version in Gemfile to an older release.

I had issues running the deploy:cold task with the most recent version
of Capistrano. Changing the version fixed these issues for me.
Merge branch 'master' of github.com:kanerogers/kayak
Merge pull request #3 from kanerogers/capistrano-version

Capistrano version