CLI/Tcl: fix version check (need <= 999 for DAFT permille)

UPNQR: fix required binary mode using mode_preset
UPNQR: allow mask to be manually specified
GUI: use non-native QColorDialog on Unix also; no noEXE for CLI equivalent;
  add shortcuts for copy-to-clipboard and CLI equivalent
CLI: new --version option to print Zint version

frontend_qt/grpC128.ui

@@ -51,8 +51,8 @@
          <string>Subset &amp;C Suppression</string>
         </property>
         <property name="toolTip">
-         <string>Do not begin in Subset C mode,
-even if initial data is numeric</string>
+         <string>Do not use Subset C mode
+(numeric compression)</string>
         </property>
        </widget>
       </item>