Give item search filters more specific ids and consistent with site-wide search markup.
Remove check for Item Type Metadata Text.
Add elementTexts parameter to insert_collection().  Update insert_collection() test.  Add boolean filter to public and featured properties of collection before the record saves.  Add update_collection().  Add tests for update_collection().  Fix #435
Merge pull request #441 from willynilly/issue_435

Fix Issue #435
Filter types for every call to get_search_record_types.
Fix issue #442
Fix issue #438
Merge pull request #444 from willynilly/issue_438

Fix issue #438
Merge pull request #443 from willynilly/issue_442

Fix issue #442
Remove pointless enctype.
Fix issue #445
Fix plugins heading margin and keep sidebars on empty items and collections pages in place.
Revert to linking to omeka codex in footer
Cleanup the security settings page. Part of #425
Only change top margin of first layer of first children in drawer contents.
Fix strings in footer, edit-nav, element-sets, tags.

See #425.
Remove page links from nav form. See #425.
Fix ExhibitBuilder and seasons submodules.
Fix explanation on edit-nav. See #425.
Fix nav homepage dropdown after link removal.