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Jano Rojcek's requirement: Rename "File | Refresh All Filesystems" to "Refresh Project Folders" and disable it if none project is open.
1. Actually it is currently "Refresh All Files". 2. It refreshes all files known to the IDE whether they are part of some project or not and regardless of which projects are open, so the proposed label is technically inaccurate (FWIW). 3. Files as well as folders are refreshed, i.e. not only set of available files is checked but also their timestamps (in case some have been touched by external processes).
#2 is no longer applicable (as of 4.1 I think). If still requested and not implemented, a DEFECT.
OK I think Refresh All Files has been there for long time and it does not seem to confuse anybody. Jesse is right that the name is more explanatory than the one originally suggested. Closing.
Marking this issue as VERIFIED since the issue reporter == issue owner.