Adds new version of the update notification plugin - v3.0.0.0#489

CarlosVercosaLepidus wants to merge 2 commits into

pkp:mainpkp/plugin-gallery:mainfrom

lepidus:pluginUpdateNotification-v3_0_0_0lepidus/plugin-gallery:pluginUpdateNotification-v3_0_0_0Copy head branch name to clipboard