Copy info button in About dialog

[Dreamer]

Show also OS version in About dialog, if possible and add copy button to easily copy important info for beta testers and normal users, e.g.:

Code: Select all

FreeCommander XE 0.0.0.613 donor preview, Windows Vista 32 bit, SP2 [COPY]

Similar request already suggested for old version here:

http://forum.freecommander.com/viewtopi ... 1252#p1252