Fixes PoolSearchesController to skip adding a field to the config if it's already there.

support for importing seed data; fixes FileEntity behaviors to work with field id strings

Adds more graceful Identity searches and searching by email

Allows faceting and sorting by field id

Minor - Pool method: node_pids

bump to version 0.2

Merge branch 'linked_data_nodes'

Adds APP_VERSION in application_helper

scripts for upgrading data to linked data model

fixes #13 Bug: authentication doesn't work in bindery-ui

Refactor: moving files around. No real code changes.

test coverage for client Bindery::Model#convert_data_keys

[linked_data_nodes] use Field id strings in node data instead of field codes

Enables CatalogController to receive sort_fields param containing field_ids and directions that are converted into appropriate solr sort arguments refs #4

Adds ability to search for Identities belonging to current_user