Merge branch 'master' of https://github.com/bigbluebutton/bigbluebutton

bigbluebutton-client/build.xml

bigbluebutton-client/resources/prod/check/bbb-check.html

bigbluebutton-client/resources/prod/check/lib/bbb_check.js

bigbluebutton-client/resources/prod/check/lib/deployJava.js

...utton-client/resources/prod/check/lib/pre_flight_check.js

bigbluebutton-client/src/MicrophoneCheck.mxml

...uebutton/modules/polling/managers/ToolbarButtonManager.as

...gbluebutton/modules/polling/views/PollingStatsWindow.mxml

...rg/bigbluebutton/modules/polling/views/ToolbarButton.mxml

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

...bigbluebutton/modules/videoconf/views/ControlButtons.mxml