Fixes bug 25028.
Added new dirty flag so that resolutions can be purged.
checked in VC5 fix from pollmann and jband
checked in fix from colin@theblakes.com for VMS.
r= valeski, pollmann, colin@theblakes
It is a nsIProperty.
2. Updates to the nsIFile and nsILocalFile interfaces based on conversations
with warren. (thanks)
3. Updated windows mac and unix implementations based on interface changes.
Mac and windows changes need to be reviewed.
Not part of build.