Fix symptoms of #91

Doesn’t solve why multiple opinions for same user enter the system, but
makes it so that the same opinion is provided via proposals and the
specific proposal.

@client/filter.coffee

@@ -407,7 +407,7 @@ OpinionFilter = ReactiveComponent
                 display: 'inline-block'
                 marginLeft: 7
                 padding: '0 0 0 7px'  
-                color: if is_enabled then focus_blue else '#999'
+                color: if is_enabled then focus_blue else '#777'
                 cursor: 'pointer'
                 fontSize: 16
                 backgroundColor: 'transparent'

@server/models/opinion.rb

@@ -30,7 +30,7 @@ def self.get_or_make(proposal)
     user = current_user
 
     # First try to find a published opinion for this user
-    your_opinion = proposal.opinions.where(:user => user)
+    your_opinion = user.opinions.where(:proposal_id => proposal.id).order('id DESC')
 
     if your_opinion.length > 1
       pp "Duplicate opinions for user #{user}: #{your_opinion.map {|o| o.id} }!"
@@ -43,7 +43,7 @@ def self.get_or_make(proposal)
     if your_opinion.nil?
       ActsAsTenant.without_tenant do 
         your_opinion = Opinion.create!(:proposal_id => proposal.id,
-                                      :user => user ? user : nil,
+                                      :user => user,
                                       :subdomain_id => proposal.subdomain_id,
                                       :stance => 0,
                                       :point_inclusions => '[]',

@server/models/proposal.rb

@@ -99,7 +99,7 @@ def self.summaries(subdomain = nil, all_points = false)
     # user for all proposals
     your_opinions = {}
     if subdomain.name != 'homepage'
-      Opinion.where(:user => current_user).each do |opinion|
+      Opinion.where(:user => current_user).order('id DESC').each do |opinion|
         your_opinions[opinion.proposal_id] = opinion
       end