Merge pull request #502 from capilkey/090-accessibility-fixes

bigbluebutton-client/locale/en_US/bbbResources.properties

bigbluebutton-client/src/BigBlueButtonMainContainer.mxml

...c/org/bigbluebutton/main/views/CameraDisplaySettings.mxml

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

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

...ient/src/org/bigbluebutton/main/views/WebRTCEchoTest.mxml

...c/org/bigbluebutton/modules/chat/views/AddChatTabBox.mxml

...nt/src/org/bigbluebutton/modules/chat/views/ChatView.mxml

...lient/src/org/bigbluebutton/modules/present/model/Page.as

...gbluebutton/modules/present/services/PageLoaderService.as

...bluebutton/modules/present/ui/views/FileUploadWindow.mxml

...uebutton/modules/present/ui/views/PresentationWindow.mxml

...org/bigbluebutton/modules/present/ui/views/SlideView.mxml

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

...igbluebutton/modules/videoconf/business/VideoWindowItf.as

.../org/bigbluebutton/modules/videodock/views/VideoDock.mxml