Refactored MainViewMediator dataProvider and added administrator email in config.xml

labs/bbb-client-check/resources/config.xml.template

...ient-check/src/org/bigbluebutton/clientcheck/AppConfig.as

...k/src/org/bigbluebutton/clientcheck/model/DataProvider.as

.../src/org/bigbluebutton/clientcheck/model/IDataProvider.as

...eck/src/org/bigbluebutton/clientcheck/model/IXMLConfig.as

...heck/src/org/bigbluebutton/clientcheck/model/XMLConfig.as

...gbluebutton/clientcheck/view/mainview/MainViewMediator.as