UPD: Greek language file

(cherry picked from commit cfd166f)

FIX: Build under Unix

UPD: German language file

(cherry picked from commit 217222c)

FIX: Lazarus/Lcl/Cocoa compatibility

(cherry picked from commit b43710b)

FIX: Number of different files not updated during the directory compa…

…rison (fixes doublecmd#328)

(cherry picked from commit 7168ebf)

ADD: TFileSystemWatcher.Features function

(cherry picked from commit 24838d1)

FIX: Test archive operation progress

(cherry picked from commit dc49a59)

UPD: Don't open X-display under Wayland

(cherry picked from commit ad3298d)

ADD: Zip - save password to cache (issue doublecmd#1254)

(cherry picked from commit 0115f01)

FIX: Revision number