Issue #1824404 and #1294178 by bkat: Implement token for the parent gallery path.
Issue #1826544 by bkat: Use array_merge instead of + operator on children.
Issue #1824408, thanks to bkat: Mising t call for translation
Issue [#1294162]: Hide empty subgallery view.
Always save all galleries from hierarchy page.
Fix for hierarchy page to only show galleries that the user has edit permissions for.
Eliminate database caching for compatability with node access modules (db_rewrite_sql). Add two simple filters (gallery type and author) to the hierarchy management page.
Remove variable and instead offer a block for every relationship.
Implemented a navigation block.
Many changes, including fix for empty gallery, using an additional view instead of reusing a core one, support for moving the subgallery view in manage fields and thanks to user misthero a nice default theme
Let node and node_gallery administrators create subgalleries to all galleries.
Fixed the parent gallery dropdown to only show galleries that are authored by the user. Will need a follow-up for more liberal permissions.
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