added proper java check; extracted some strings to the localization file; cleanup

bbb-client-check/html-template/index.html

bbb-client-check/locale/en_US/resources.properties

bbb-client-check/resources/lib/api-bridge.js

bbb-client-check/resources/lib/deployJava.js

bbb-client-check/src/AppStyle.css

bbb-client-check/src/BBBClientCheck.mxml

...bigbluebutton/clientcheck/service/ExternalApiCallbacks.as

...org/bigbluebutton/clientcheck/service/ExternalApiCalls.as

...igbluebutton/clientcheck/service/IExternalApiCallbacks.as

...ebutton/clientcheck/view/mainview/CustomItemRenderer.mxml

...bigbluebutton/clientcheck/view/mainview/MainViewBase.mxml

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

...org/bigbluebutton/clientcheck/view/mainview/StatusENUM.as