Updated simple_uniprot preprocessor to work properly with GENCODE.
Minor changes to get the two other uniprot datasource preprocessing scripts up and running.
Minor fixes to uniprot aa annotation preprocessing script.
Trivial change to address issue #222: UniProt GO annotations do not include ID field
More example scripts and removed leveldb references initializeDatasource
Updating example script to produce the uniprot AA xform datasource nearly automatically.
Added unit tests for new uniprot and ensured backwards compatibility.
Added new uniprot test to test some troublesome variants.
Addressing pull request comments.
Merge pull request #254 from broadinstitute/issue-127-uniprot_gencode

fixes Issue #127 uniprot gencode