Adding login_nav partial from spree_auth_devise
Adding login_nav partial from spree_auth_devise

Preparing to change 'Store' link for Bugherd #443.

lin-d-hop/openfoodnetwork,ltrls/openfoodnetwork,KateDavis/openfoodnetwork,KosenkoDmitriy/openfoodnetwork,stveep/openfoodnetwork,MikeiLL/openfoodnetwork,lin-d-hop/openfoodnetwork,openfoodfoundation/openfoodnetwork,Matt-Yorkley/openfoodnetwork,oeoeaio/openfoodnetwork,levent/openfoodnetwork,RohanM/openfoodnetwork,ecocitycore/openfoodnetwork,MikeiLL/openfoodnetwork,mkllnk/openfoodnetwork,openfoodfoundation/openfoodnetwork,RohanM/openfoodnetwork,levent/openfoodnetwork,oeoeaio/openfoodnetwork,folklabs/openfoodnetwork,folklabs/openfoodnetwork,oeoeaio/openfoodnetwork,Matt-Yorkley/openfoodnetwork,stveep/openfoodnetwork,oeoeaio/openfoodnetwork,Em-AK/openfoodnetwork,stveep/openfoodnetwork,folklabs/openfoodnetwork,Em-AK/openfoodnetwork,KosenkoDmitriy/openfoodnetwork,Em-AK/openfoodnetwork,lin-d-hop/openfoodnetwork,stveep/openfoodnetwork,ltrls/openfoodnetwork,levent/openfoodnetwork,levent/openfoodnetwork,ltrls/openfoodnetwork,mkllnk/openfoodnetwork,ltrls/openfoodnetwork,MikeiLL/openfoodnetwork,KateDavis/openfoodnetwork,folklabs/openfoodnetwork,openfoodfoundation/openfoodnetwork,ecocitycore/openfoodnetwork,RohanM/openfoodnetwork,ecocitycore/openfoodnetwork,KosenkoDmitriy/openfoodnetwork,MikeiLL/openfoodnetwork,mkllnk/openfoodnetwork,KosenkoDmitriy/openfoodnetwork,Em-AK/openfoodnetwork,mkllnk/openfoodnetwork,openfoodfoundation/openfoodnetwork,Matt-Yorkley/openfoodnetwork,KateDavis/openfoodnetwork,Matt-Yorkley/openfoodnetwork,lin-d-hop/openfoodnetwork,KateDavis/openfoodnetwork,ecocitycore/openfoodnetwork,RohanM/openfoodnetwork