Merge branch 'riadvice-2x-client-theme' into v2.0.x-release

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

...g/default/style/css/org/bigbluebutton/skins/ButtonSkin.as

...yle/css/org/bigbluebutton/skins/NumericStepperDownSkin.as

...style/css/org/bigbluebutton/skins/NumericStepperUpSkin.as

...ding/default/style/css/org/bigbluebutton/skins/TabSkin.as

bigbluebutton-client/locale/en_US/bbbResources.properties

...ton-client/src/org/bigbluebutton/common/IKeyboardClose.as

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

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

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

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

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

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

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

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

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

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