Added selection buffer for selectionPreview
selection buffer added into MainWindow constructor and destructor
selectionPreview prototipe fixed
some mask fix's
Mask selection redone
Cancel button decomment
selection, selectionAlpha = 0 after deleting
New title
Merge branch 'master' into task0
New mask implementation is adapted, but now working right
Mask drawing mouse moved event issue
Curve changed fixed
DeleteIfNotNull macro
CurveDialoge close selection issue