MDL-41891 Theme: Bullets and Numbering are missing from lists, When in RTL mode (theme/clean)
MDL-45040 editor-atto: selection reverts erroneously

Fixed an issue where selections reverted on toolbar button press when the last selection was made by dragging outside of Atto.
Merge branch 'MDL-41891_master' of https://github.com/nadavkav/moodle
Merge branch 'MDL-45040-master' of git://github.com/jethac/moodle