ng_text_field handling options parameter
Giving an example name for an enterprise fee.

The example is displayed as input placeholder. See bugherd #439.
Adding login_nav partial from spree_auth_devise

Preparing to change 'Store' link for Bugherd #443.
Store links to root_path instead of product_path
Fix #242 - foreign key constraint error on load_sample_data
Merge branch 'master' into enterprise-fee-naming-example
Merge branch 'enterprise-fee-naming-example'
Merge branch 'master' into admin-panel-store-link
Convert admin login nav to haml
Merge branch 'admin-panel-store-link'
Merge branch 'fix-242-foreign-key' of https://github.com/digital-dreamer/openfoodnetwork into digital-dreamer-fix-242-foreign-key
Merge branch 'digital-dreamer-fix-242-foreign-key'