Converted new line format to Unix
[SP-837] Switch/Case StepMeta Load/Save unit test

Load and save StepMeta from repo and xml. Verify attribute preservation.

http://jira.pentaho.com/browse/SP-837
[SP-837] Fix SwitchCaseMeta load/save

Use deserialized target stepname as default if target step has not yet been resolved.
Use empty string as default target case value.
Fixes applied to XML and Repo save/load.

http://jira.pentaho.com/browse/SP-837
Merge pull request #253 from hudak/sp-837

[SP-837] Switch/Case step loses condition definitions when exported/imported into Enterprise Repo