add entity_url tests
use anchor parameter instead of manually appending it
define page root
fix page entity_url
fix sectionpage comment url
use member in proposal_helper.url
amendment url in overlay
use in_overlay=False when navigationg inside an overlay
fix page delete form action
fix page edit form action
Merge pull request #607 from xi/feature-605-fix-sectionpage-entity_urls

sectionpage entity urls