Makes sure capistrano cd's to the right directory when executing a deploy:rollback
Moves rollback logic to capistrano support lib
Merge pull request #318 from jeroenj/cap-rollback

Makes sure capistrano cd's to the right directory when executing a deploy:rollback
LICENSE now uses 2013
Merge pull request #330 from theotherzach/patch-1

LICENSE now uses 2013
Test against ruby2.0 in travis-ci
Merge pull request #335 from sanemat/feature/ruby-2-0

Test against ruby2.0 in travis-ci
Add support for different environment arguments than RAILS_ENV
Renamed :env_argument to :environment_variable
Renamed option in tests
Merge pull request #340 from andfx/env-argument

Add support for different environment variables other than RAILS_ENV
accept a lambda to produce output redirection config/string
Merge pull request #362 from xli/master

accept a lambda to produce output redirection config/string
lock to last 1.8 compatible version of shoulda
Fix test on Ruby 1.8
Whenever 0.8.3
Attempt to get tests all passing with a version dance
Add license to gemspec. Fix #363
Don't require a schedule file when clearing. Fix #367
Use bin/rails when available. Fix #332