[Spec::DSL] Update docs to reflect a complete spec
[WIP][Podfile] Add YAML support
Test included a specific home directory as a dependency.  Updated the test to use a generic home directory, so it passes on any machine
Merge pull request #7 from petergoldstein/feature/remove_fabio_dependency

Remove dependency on /Users/fabio home directory
[Podfile] Add YAML support
[TargetDefinition] Simplify inheritance
[TargetDefinition] Docs
[Spec::DSL] Update docs to reflect a complete spec
Merge branch 'Podfile-YAML'

* Podfile-YAML:
  [TargetDefinition] Docs
  [TargetDefinition] Simplify inheritance
  [Podfile] Add YAML support
  [WIP][Podfile] Add YAML support
  [Spec::DSL] Update docs to reflect a complete spec

Conflicts:
	spec/podfile/dsl_spec.rb
Fix isues with Ruby 1.8.7
[Podfile] Fix issue with nil workspace