cleans up data code
refactors data normalizer

abstracts all functionality of normalizer into local functions,
creates new function ajaxNormalize which should be called by
csv and webservice data objects when data is available.
refactors csv_data's success handler to use new normalizer
refactors data parser. stores refernce to adapter. csv success handler uses adapter.
adds mugl files for drought adapter with file data type
runs ant graphicstests