Updated dia model with the new set of fields for taxon, protein and enzyme, thus deleting the hierarchical model
renamed test files
Changed name of HmmDbHit to DBEntry in dia
renamed :hmm_db_hit and :hmm_db_hit_pdb to :db_entry and :db_entry_pdb
renamed factories generated in spec/factories/factories.rb and fixed failing tests for them. Preparing for renaming HmmDBHit table to DBEntry
Migration for renaming table hmm_db_hits to db_entries. Had to change the model to DbEntry as well for the migration to go through.
Fixing tests, models, views, controllers, helpers, routes, file_parsers and sample_data