Fixes #171

Button that redirects to proposal in the proposals dashboard now:

* opens the proposal in a different tab.
* Text shown will be 'preview proposal' for proposals in draft state.

app/views/layouts/dashboard/_proposal_totals.html.erb

@@ -40,7 +40,11 @@
       </div>
 
       <div class="proposal-link">
-        <%= link_to t('.show_proposal'), proposal_path(proposal), class: 'button success expanded' %>
+        <% if proposal.draft? %>
+          <%= link_to t('.preview_proposal'), proposal_path(proposal), class: 'button success expanded', target: '_blank' %>
+        <% else %>
+          <%= link_to t('.show_proposal'), proposal_path(proposal), class: 'button success expanded', target: '_blank' %>
+        <% end %>
       </div>
     </div>
   </div>

config/locales/en/general.yml

@@ -212,6 +212,7 @@ en:
         active_resources: Active resources
         community: Community
         show_proposal: Show proposal
+        preview_proposal: Preview proposal
         current_goal: Current goal
         support_count:
           one: "%{count} support" 

config/locales/es/general.yml

@@ -212,6 +212,7 @@ es:
         active_resources: Recursos activos
         community: Comunidad
         show_proposal: Ver propuesta
+        preview_proposal: Previsualizar propuesta
         current_goal: Meta actual
         support_count:
           one: "%{count} apoyo"