Remove 'policy vote' terminology

Replace 'policy vote' with language that doesn't treat the policy like a person, who has votes.
test update for previous commit d6708fa2
Merge branch 'test' into change_policy_vote_language

Conflicts:
	app/views/policies/_vote_summary_table.html.haml
	spec/fixtures/static_pages/mp.php?mpn=Christine_Milne&mpc=Tasmania&house=senate&dmp=1.html
	spec/fixtures/static_pages/mp.php?mpn=Kevin_Rudd&mpc=Griffith&house=representatives&dmp=1.html
	spec/fixtures/static_pages/mp.php?mpn=Tony_Abbott&mpc=Warringah&house=representatives&dmp=1.html
	spec/fixtures/static_pages/policies/1.html
	spec/fixtures/static_pages/policies/2.html
	spec/fixtures/static_pages/policies/2_2.html
	spec/fixtures/static_pages/policies/2_3.html
	spec/fixtures/static_pages/policy.php?id=1.html
	spec/fixtures/static_pages/policy.php?id=2.html
simplify "Supporter would have voted" to "Supporters vote"
remove the colon pattern on ‘supporters vote’

changes 'supporters vote: Aye' to 'supporters vote “Aye”'
Tests for last commit 10cbb648
Merge pull request #436 from openaustralia/change_policy_vote_language

Remove 'policy vote' terminology