[CHEF-4298] dependencies in metadata.rb require a space
[CHEF-4298] some tests added for "dependencies in metadata.rb require a space"
[CHEF-4298] send the version constraint correctly formatted for chef server
[CHEF-4298] some tests fixed
[CHEF-4298] tests improved to test version transformation on dependencies
[CHEF-4298] "trasnformation" typo in tests
[CHEF-4298] Coookbook::Metadata: avoid converting 2 part versions to 3 part versions, added #normalize_version_constraint method
[CHEF-4298] Tests: reverted some modifications related with 3 part versions, added some #normalize_version_constraint tests
Merge pull request #848 from onddo/CHEF-4298

[CHEF-4298] dependencies in metadata.rb require a space