mostly tidying and cascading changes from the renaming of the ImageScanAndWrapSWorker
adds spawnIconWindow() method
moved to separate package because they can be used across windowing items
adds working class of window asking user for image and tweet
changed to SimpleGridView2() window to be used as "Share dialog"
adds new implementation of the share dialog: SimpleGridView2() and also restructures the folders to suit better the logic of the package