Tidy up some text around logins and proposals

app/views/devise/shared/_openid_links.html.haml

@@ -5,7 +5,8 @@
         = link_to "user_#{provider}_omniauth_authorize".to_sym, class: "btn btn-success btn-lg",
                                                           id: "omniauth-#{provider}",
                                                           title: "Your #{provider} login" do
-          %i{class: "fa fa-#{provider}"}
+          -# %i{class: "fa fa-#{provider}"}
+          = provider.capitalize
       - else
         = link_to("user_#{provider}_omniauth_authorize".to_sym,
                   class: "btn btn-success btn-lg",

app/views/devise/shared/_sign_up_form_embedded.html.haml

@@ -1,4 +1,8 @@
 - unless current_user
+  %p
+    %strong Create an account directly for Snap!Con, or sign in using Google.
+  %p
+    Snap!Con uses a different account system, but please use the same username or email address if possible. (We're working on improving this!)
   = semantic_fields_for @user do |u|
     = u.input :username, input_html: { required: 'required', autocomplete: 'off' }
     = u.input :email, input_html: { required: 'required', autocomplete: 'off' }