Bacteriology - Support for creating a Bacteriology Sample using API

[bharatak]

Add support for adding bacteriology sample using API.

1. Create a class called Specimen. This class should support all the fields that are accepted by UI for creating a specimen.
2. Add the below method in BahmniRestClient createBacteriologySpecimen(Specimen specimen) - Creates the Bacteriology sample using EMRAPI
3. The spec should accept a table containing various fields required for creation of sample. This table should be able to accept multiple Samples (i.e. multiple rows should be supported in the table).

[SwathiVarkala]

@bharatak , @binduak If this is done can we close the issue?