Change installer directory "data" to "share"

refs #671

src/blackgui/share/qss/navigator.qss

@@ -0,0 +1,12 @@
+QDialog {
+  background: lightgrey;
+}
+
+/*
+#fr_NavigatorDialogInner[navigatorFrameless="true"] {}
+#fr_NavigatorDialogInner[navigatorFrameless="false"] {}
+*/
+
+#fr_NavigatorDialogInner QToolButton {
+  margin: 0px;
+}