LPS-40873 Improve _onPollerUpdate performance
LPS-40873 `Something = function() {` (same line)
LPS-40873 Use A.Lang.now()
LPS-40873 node.setHTML() -> node.html()
LPS-40873 Simplify waiting animation toggling
LPS-40873 Simplify calls to A.on() and A.after()
LPS-40873 instance._panel -> panel
LPS-40873 Cache instance._ctrlButtonsContainerNode
LPS-40873 Use .prop insteaf of ['prop']
LPS-40873 Use node.replaceClass()
LPS-40873 Use template for panel HTML
LPS-40873 doError -> errorMsg
LPS-40873 console.log() -> console.debug() for debug messages