Collective.recipe.omelette

================

- Fixed test infrastructure.
[davisagli]

- Added option to ignore develop eggs
[claytron]

- Added option to ignore eggs
[claytron]

- Added option to override the default omelette location.
[davisagli]

================

- Fixed so created directories are not normalized to lowercase.
[davisagli]

================

- Initial basic implementation.
[davisagli]

- Created recipe with ZopeSkel.
[davisagli]