Merge pull request #5900 from riadvice/v2.0.x-rtl-popups

bigbluebutton-client/resources/prod/locales.xml

bigbluebutton-client/src/BigBlueButton.mxml

...nt/src/org/bigbluebutton/core/BigBlueButtonApplication.as

...ent/src/org/bigbluebutton/core/managers/ConfigManager2.as

...t/src/org/bigbluebutton/core/managers/PopUpManagerImpl.as

...ient/src/org/bigbluebutton/core/managers/SystemManager.as

...nt/src/org/bigbluebutton/main/views/LanguageSelector.mxml

...rc/org/bigbluebutton/main/views/MainApplicationShell.mxml

...-client/src/org/bigbluebutton/main/views/MainToolbar.mxml

...ent/src/org/bigbluebutton/modules/chat/views/ChatBox.mxml

...g/bigbluebutton/modules/layout/views/BroadcastButton.mxml

...uebutton/modules/sharednotes/views/SharedNotesWindow.mxml

...on-client/src/org/bigbluebutton/util/i18n/ResourceUtil.as