Ensure ajax call includes query parameters so that SitreeFilters function as expected. Required for subtree branch loading.
Merge pull request #1029 from rodneyway/1028-SiteTree-filtered-view-not-applied-to-subtree-branches

1028 - BUG FIX: SiteTree filtered view not applied to subtree branches
BUG Fix deleted pages redirecting the CMS
Update behat tests for Mink 1.6 compatibility