V2.4.0.1
V2.4.0.1
V2.4.0.1
V2.4.0.1
V2.4.0.1
V2.4.0.2
V2.4.0.2
V2.4.0.2
V2.4.0.3
V2.4.0.4
Merge branch 'MOODLE_24' of github.com:gjb2048/moodle-format_columns

Conflicts:
	Readme.txt
	cnconfig.php
	forms/settings.php
	lib.php
	renderer.php
	version.php
Master branch
Pull into master branch.