Add simplecov to see the coverage of tests and group gems into dev and test.
Fix spec_helper.rb to look at app folder instead of the default lib folder.
Add rspec-its so i can still use its in rspec 3 and add it to the spec_helper.  Also remove bundler stuff from spec_helper as this was causing all kinds of nasty warnings.
Get initialization to work at set the passed args and defaults correct.
Add the ability to add a child and wether root_org? to Organization.
Fix up Organization tests.
Fix up Organization class's default names.
Add some functional tests to Organization to make sure it works fine in practice.