Merge branch 'riadvice-flex-improve'

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

bigbluebutton-client/locale/en_US/bbbResources.properties

bigbluebutton-client/src/BigBlueButton.mxml

bigbluebutton-client/src/PresentModule.mxml

bigbluebutton-client/src/org/bigbluebutton/core/BBB.as

...ton-client/src/org/bigbluebutton/core/EventBroadcaster.as

...ebutton-client/src/org/bigbluebutton/core/KeyboardUtil.as

.../src/org/bigbluebutton/main/maps/ApplicationEventMap.mxml

...n-client/src/org/bigbluebutton/main/model/GuestManager.as

...on-client/src/org/bigbluebutton/main/model/ImageLoader.as

...-client/src/org/bigbluebutton/main/model/users/BBBUser.as

...t/src/org/bigbluebutton/main/views/GuestItemRenderer.mxml

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

...on-client/src/org/bigbluebutton/main/views/LogWindow.mxml

...src/org/bigbluebutton/main/views/PendingGuestsWindow.mxml

...n-client/src/org/bigbluebutton/main/views/QuotesView.mxml

...t/src/org/bigbluebutton/main/views/ResponsivenessTimer.as

...lient/src/org/bigbluebutton/main/views/WaitingWindow.mxml

.../org/bigbluebutton/modules/chat/model/ChatConversation.as

.../org/bigbluebutton/modules/chat/services/MessageSender.as