Split ec2/ssh into separate plugins. Capture stderr as well as stdout.
Add PyYAML dependency.
No more 'generate' method in FilterArtifact class.
Merge branch 'feature/ec2-ssh' into develop
Fix is_active methods for jython-related filters.
Convert InactiveFilter exceptions to SkipTest in wrap() environment.
Add required executables for listing additional required executables.
Fix pyflakes issues. Fix dexy viewer-related test when dexy viewer not installed.
Add 'dexy cleanup' command
Fix boto imports so they don't break dexy install.
Update README. Add tests for ec2 plugins.
Rework YAML parser.
Convert all parsers to use AST.
Add assertions to test_yaml_parser
Implement 'inactive' feature for docs.
Add examples directory.
Don't break if pexpect not available.
Add --reports option to dexy cleanup command to remove generated reports dirs.
Skip tests which mock out boto if boto not installed.
Don't break tests if can't remove tempdir when finished.