MDL-42728 Merge English strings from the en_fix language pack
MDL-42666 repository_boxnet: Convert repository to APIv2
MDL-42666 repository_boxnet: Function to convert APIv1 references to true copies
MDL-42666 repository_boxnet: Tool to launch the migration
MDL-42666 repository_boxnet: Advise the user to run the migration tool
MDL-42666 repository_boxnet: Disabling file references
MDL-42666 repository_boxnet: Remove hardcoded date for APIv1 end of life
MDL-42666 oauthlib: Getter methods for accesstoken, client id and secret
MDL-42666 repository_boxnet: Revoke access token when logging out
MDL-42697 Theme: Fix overflow on docked blocks
MDL-42692 Quiz: Fixed z-index for tab and marks

On edit quiz page marks/reorder text box has zindex set, which should be considered by modal
window. Also, tab set is also using zindex for active node.
MDL-41586 libraries: Fix scale issues

The default value of scale should be null not false in mssql, that is the
standard with other DBs
0 is a valid value for scale, don't change it in oracle
MDL-42375 course: management interface icon spacing improved

Fixed the display of icons and their spacing when JS is disabled.
MDL-42737 ActionMenu: Close the menu after selecting actions
MDL-42742 Dragdrop: Center the keyboard drag drop dialogue
MDL-42714 Backup: For tgz packer, handle missing zlib extension
MDL-42696 Improve the collator class debugging

To fully describe why the debugging warning was displayed, it is important to
display all three values - required locale, actual locale and the valid locale.
MDL-40975 Course: Fix issues with overflowing content in narrow windows
MDL-42708 force mymobile uninstallation during upgrade
Merge branch 'MDL-42714-master' of git://github.com/sammarshallou/moodle