* changes:
  Bug 1813987: Tidying up some lastminute problems
  Bug 1813987: checking old layout tables exists before using them
  Bug 1827445: db_table_exists alternative without changing SQL exceptions
  Bug 1813987: removing layout tables from install
  Bug 1813987: Behat - block creation
  Bug 1813987: Blocks display fixes
  Bug 1813987: Accessibility settings and layout
  Bug 1813987: User should confirm before the view is translated
  Bug 1813987: Creating a view via tags with gridstack
  Bug 1813987: Importing views with grid layout
  Bug 1813987: Exporting views with grid layout
  Bug 1813987: Make view versioning work with gridstack
  Bug 1813987: Copying a page (in old or new layout) creates a page with new layout
  Bug 1813987: Translate old views to new gridstack layout on edit
  Bug 1813987: Making magic block work with gridstack layout
  Bug 1813987: Upgrade to translate site views to new layout
  Bug 1813987: create a block- fixing the saving of a new block
  Bug 1813987: block resizing to fit content
  Bug 1813987: remove layout button from navigation
  Bug 1813987: Display Dashboard and profile page
  Bug 1813987: removing old layout from mahara install
  Bug 1813987: Make the comment block work
  Bug 1813987: Display a page in view mode
  Bug 1813987: allow to choose add block to bottom/top of the grid
  Bug 1813987: Creating a new page with gristack layout
  Bug 1813987: removing helper functions to reorder cells in old layout
  Bug 1813987: Remove 'addcolumn' functionality when editing a view
  Bug 1813987: Remove edit layout section
  Bug 1813987: Creating tables for gridstack page blocks
  Bug 1813987: Adding gristack library