MDL-40975 Blocks: Move most block actions into the block menu
MDL-40975 Theme: Tidy up block icons to line up in columns
MDL-40975 Theme: Standardise size of icons in headings
MDL-40975 Theme: Add new dropdown icons
MDL-40975 Course: Change the activity drag icon to prevent icon flash
MDL-40975 Course: Change which actions are in the menu and which are outside it
MDL-40975 Course: Move drag/drop to start of the line
MDL-40975 ActionMenu: Remove background color when menu is active
MDL-40975 JavaScript: Standardise the location of the activity spinner
MDL-40975 Course: Hide commands when editing titles
MDL-40975 JavaScript: Make drag/drop respond to a single click as well as a drag
MDL-40975 Course: Add back JavaScript drag/drop for bootstrap on mobile
MDL-40975 Course: Add aria label for dragdrop
MDL-40975 Course: Set the show/hide activity toggle
MDL-40975 Course: Remove groupmode when forced at course level
MDL-40975 Course: Adjust vertical alignment for text menu
MDL-40975 ActionMenu: Adjust icon placement for text menus
MDL-40975 ActionMenu: Change default alignment when opening the menu

Committer: Andrew Nicols <andrew@nicols.co.uk>
MDL-40975 Course: Adjust how we handle toolbox processing to improve performance
MDL-40975 ActionMenu: Tidy up title + alt combinations