Author: David Mudrak
MDL-32329 check for plugin dependencies during the pre-install checking
This follows the same path as we have in CLI installers. Plugin
dependencies are checked right after the environment checks and the
install can't continue unless all dependencies are fixed.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=39f15cc712b0007b78cbdf6f9f051430ff72a840
http://github.com/moodle/moodle/commit/39f15cc712b0007b78cbdf6f9f051430ff72a840
+ 2.3 en [pluginscheck,core_admin]
+ 2.3 en [nonehighlighted,core_plugin]
+ 2.3 en [somehighlighted,core_plugin]