Fix context.rb to avoid URI#hostname for Ruby 1.9.2
Made test suite pass against Splunk 6.0.1.1 on Linux.

Fixed Job.is_ready? to work with new behavior in 6.
Fixed paths in test suite to work no matter what
working directory the test suite is run from.
Fixed URL encoding of owner and app in namespaces.
Resolve dfoster's comments from code review.

Make Job.is_ready? use Job.refresh to do its work rather than
duplicating logic.
Added release.rb to push releases.
Added version to test-unit in gemspec to make rake happy.
Resolved review comments from dfoster.
Resolved code review comment from dfoster.
Updated CHANGELOG.
Updated version in README.
Updated version number.
Release 1.0.3