Remove sequel persistors
Use lims-core and lims-api version 3
Remove requirements to sequel persistors
Rewrite sample components persistors to use core version 3 persistors
Sample components are now core resource but does not appear in the root json
Rewrite sample persistor to use lims core version 3
Fix specs
Migration to add primary_keys table
Bump version to 2.0.0
Refactoring
Update lims-core
Add unique constraint on primary_keys table for table_name column
Remove unused method for lims-core v3
Update script
Merge pull request #37 from llh1/57057220_migration_to_lims_core_v3

57057220 migration to lims core v3