MDL-47428 language: fixed typo
MDL-47404 filelib: Prevent flash from treating files as uploads
added to send_stored_file as well.
Merge branch 'm26_MDL-47404' of https://github.com/danmarsden/moodle into MOODLE_26_STABLE
Revert "MDL-47033 general: Fix incorrect use of 'course' layout"

This reverts commit 8d26cf3edaf29c39de62dbb69071225f12c57d06.