rebuilt Insights element using 'latest' project from Leslie;
added SA animation project into directory 'saProject';
renamed SA export directory to 'saExport'
rebuilt / scaled assets
added errorMessage() method;
restored "default config data" setup to preserve default values if they are ever needed;
removed createClasses() method;
commented out deprecated methods;
separated stage size retrieval code into its own private method, called getAnimationStageSize()