hdfview

Remove status area auto-hiding of horizontal scroll bar, crashes HDFView on Windows

Fix resizing issues in NewAttributeDialog, NewLinkDialog

Add changing of NewCompoundDatasetDialog member table items by hitting enter in member box

fix NewCompoundDatasetDialog null exception when removing table items

Replace CompoundDS separator with "->" in HDFView showMetaData panel to make nested member names look nice

Update samples folder with new files

Update FitsFile and NC2File java classes, remove all GUI component code and return an HObject.

Add temporary fix to be able to open fits and netcdf files when their fid is -1