QuickPlay default image now scales in tab like image viewer tab images do

Just a setting in the panel: proportional = true
Bugfix #3 - Media Resizing - media now scales up as well as down in image tab

TImage properties proportional AND stretch should be true. We don't want to lose apsect but we DO want to scale up. (Extras tab still doesn't scale
up individual images since its a JVCL tab of a different nature)
Media Panel - System tab's text now word-wraps