Adding file icons for inclusion in windows executable.

Includes sources.

src/app/qtcreator.rc

- IDI_ICON1               ICON    DISCARDABLE     "qtcreator.ico"
+IDI_ICON1               ICON    DISCARDABLE     "qtcreator.ico"
+IDI_ICON2               ICON    DISCARDABLE     "winicons\c.ico"
+IDI_ICON3               ICON    DISCARDABLE     "winicons\cpp.ico"
+IDI_ICON4               ICON    DISCARDABLE     "winicons\h.ico"
+IDI_ICON5               ICON    DISCARDABLE     "winicons\ui.ico"
+IDI_ICON6               ICON    DISCARDABLE     "winicons\pro.ico"
+IDI_ICON7               ICON    DISCARDABLE     "winicons\pri.ico"

src/app/winicons/createicons.sh

+#!/bin/bash
+
+icons="c cpp ui pri pro qml" 
+
+for icon in $icons; 
+do
+  convert ${icon}16.png ${icon}32.png ${icon}48.png  ${icon}64.png ${icon}128.png ${icon}.ico 
+done