new mongodb-data files, re-import of csv files based on instructions from juliet

Data: updated mongo-db data files
Data: deleted 3 csv files, added 2 new files from juliet
Add: case insensitive find_or_create_tag method to Tag model
Bug: changed import csv task to use new case insensitve tag method
Change: removed all line of business tags from import task
Change: All Covered Species now maps to SJV HCP tag name in import task