Exclude non-supported imageformats for WinRT

Change-Id: Icaf64ef0b949e75402c1440826f24e42de96df62
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Import a copy of JasPer 1.900.1 for use by the JPEG 2000 plugin.

Change-Id: I85348aa66f8c3c145bbfd125f557d6a247046d8f
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Add configure test and build system files for JasPer.

Change-Id: Id3db7c5e7b3329adbea62c9d95323ead4e8a783f
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>