Author: David Mudrak
Portfolio strings changed to reflect the heading of the next page
Plus fixed some typos in the portfolio library
http://git.moodle.org/gw?p=moodle.git;a=commit;h=0ce579fe89bd51c8117382c0209983f84155f131
http://github.com/moodle/moodle/commit/0ce579fe89bd51c8117382c0209983f84155f131
+ 2.0 en [addalltoportfolio,core_portfolio]
+ 2.0 en [addtoportfolio,core_portfolio]