* Updated to Scala 2.11.2
* Updated to OrientDB 2.0-M1
Rework of converter interfaces to provide access to the container of the converted part.
Added converter for plain (non-form) HTML output.
Refactored field converter into value converter.
Removed coupling between ValueError implementation and input values for the corresponding fields (e.g. from HTML request).
Refactored structure of generated HTML output.
Rework of value and value part handling.