MDL-33514 - rss: only retrieve RSS feeds for valid users
MDL-33514 - rss: also exclude suspended users feeds

Thanks Petr!
MDL-30816 choice module: fixed accessibility for responses table and make it easier for screenreader to read it
MDL-30816 Choice module: add format_string() for choice name.
Automatically generated installer lang files
Merge branch 'MDL-33514-21' of git://github.com/danpoltawski/moodle into MOODLE_21_STABLE
Merge branch 'MDL-30816_m21' of git://github.com/rwijaya/moodle into MOODLE_21_STABLE
MDL-33575 choice module: add label to checkbox element when privacy of results is set to publish full results
MDL-29470 Backup: fixed unexpected next automated backup date
MDL-27800 admin: make front page restore link consistent

Conflicts:

	admin/settings/frontpage.php
Merge branch 'MDL-29470-21' of git://github.com/FMCorz/moodle into MOODLE_21_STABLE
Automatically generated installer lang files
Automatically generated installer lang files
Revert "MDL-33575 choice module: add label to checkbox element when privacy of results is set to publish full results"

This reverts commit b66a680956855fba9262a8533ee98d7993a2f5b9.
Merge branch 'install_21_STABLE' of git://github.com/amosbot/moodle into MOODLE_21_STABLE
weekly release 2.1.7+
Automatically generated installer lang files
Automatically generated installer lang files
MDL-33575 choice module: add label to checkbox element when privacy of results is set to publish full results
Merge branch 'install_21_STABLE' of git://github.com/amosbot/moodle into MOODLE_21_STABLE