Merge pull request #4333 from riadvice/2x-client-theme

bigbluebutton-client/branding/default/style/css/V2Theme.css

...-client/branding/default/style/css/assets/swf/v2_skin.fla

...-client/branding/default/style/css/assets/swf/v2_skin.swf

bigbluebutton-client/resources/prod/layout.xml

...client/src/org/bigbluebutton/main/views/LogoutWindow.mxml

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

...tton/modules/sharednotes/views/SharedNotesNameWindow.mxml

...igbluebutton/modules/users/views/RoomActionsRenderer.mxml

...rc/org/bigbluebutton/modules/users/views/UsersWindow.mxml

...luebutton/modules/whiteboard/views/WhiteboardToolbar.mxml