Merge branch 'feature/stabilization'
PLF-5577:[Forum statistics Gadget] Wrong information of Maximum number of online users
PLF-5517:[Who's online] User Popup doesn't allow https
PLF-5516:"Post an activity" is not strikethrough when sharing a file, link
PLF-5471:Remove Events category from acme template.
PLF-5471:Remove Events category from acme template.
PLF-4648:[PLF-4]Label of site template are not correctly translated
PLF-5018:HTML markup in History tab of Login History gadget
PLF-5245:Home page's Calendar crashes in some languages (German, Swedish)
PLF-5131:Home page's calendar only shows the first occurrence of repetitive events
PLF-4907: Problem when editing Inline the Announcement portlet
PLF-5513: Need to externalize Friendly Configuration
PLF-5094 : different heartbeat urls for each version
PLF-5436: [acme] No Image in "Login as an Acme User"
PLF-5448:[acme] UI bug in Search Field on ACME home page
PLF-5394: Update IDM configuration
PLF-5606:Fix the violations found by Sonar - W01
Merge branch 'feature/stabilization'