Created a custom mapObj class that extends mapscript.
Removes mapscript helper. Replaces it with BCCVLMap.
Adds more tests. Implements OccurrencesBCCVLMap
Fixes bad class name
Changed GeoJSON to match Occurrences file type as defined in wiki
Changes point api to use new bccvl_map model
Increases test coverage of points view to cover wfs and wms requests. Fixes bad references to request paramater
Add raster tif to test fixtures
Converts raster api to use new bccvl_map model. Adds more tests