hdfview

Merge pull request #6 in ~JHENDERSON/hdfview from hdfview-3 to feature/AttributeNatTable

* commit '7837e8b39e09f9b7c4540d6bf03b4ff8a157beb3':
  Update to latest
  HDFView test fix for FITS
  HDFVIEW fix createfile flag check
  HDFVIEW-168 revert settings
  HDFVIEW-168 Move dialogs to subfolder
  HDFVIEW-168 Update dialogs add HDF page
  User Options preferences code compiles
  Merge in new changes for PreferencesDialog