updates lightbox url in .gitmodules
updates error display to include the full stack trace
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
updates ReleaseNotes.md in preparation for relase 4.1
runs ant minify
runs ant doc
Changed busySpinner div style to center the spinner in the parent div.
Merge pull request #63 from brian-may/master

moves busy spinner to center of graph div; fixes #62
bugfix in csv adapter. Properly defaults to ArrayData.
bugfix in canvas fill renderer. Renderer didn't correctly seperate runs with downfillcolor
adds mugl file to test fill renderers with a fillbase
runs ant graphicstests
adds ndvi.xml graphics test
partial rewrite of parser. more values are stored in local variables.
moves default labeler spacing to defaults.js