Automatically generated installer lang files
MDL-37707 mod_assign: Prevent user from changing grouping in team submissions
MDL-46282 core: Correct deletion of message datakeys

This issue is a part of the MDL-47194 Task.
This issue is a part of the MDL-39707 Epic.
MDL-47408 user: Add checking before adding blog's link.

Checking enableblogs  and bloglevel, userid, constant  BLOG_USER_LEVEL.
Merge branch 'MDL-47408-master' of https://github.com/DmitryNefedov/moodle
Revert "MDL-47395 added cli_error() visual cue"

This reverts commit eb60c78c771ee4acbfe3667a3cc44c2df61e1def.
Revert "MDL-32870 mod_lesson: added support for files to question answers and responses"

This reverts commit d92f768baab86e95cafdfdbee1b54e5d2dbd055b.
Merge branch 'MDL-46282-master-fix' of github.com:andrewnicols/moodle
Merge branch 'MDL-37707-master-fixup' of https://github.com/FMCorz/moodle
Merge branch 'install_master' of https://git.in.moodle.com/amosbot/moodle-install
NOBUG: Fixed file access permissions
weekly release 2.8dev