add alternating mechanism and flash scripts for ipe337

- add scripts to flash kernel & environment from U-Boot
 - add mechanism to check which of the two kernels to boot
 - add script to initialize the ageing partition
 - cosmetic changes to the init-scripts

.gitattributes

@@ -0,0 +1 @@
+*.bin -crlf -diff -merge

board/ipe337/env/bin/_alternate

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+#!/bin/sh
+
+. /env/config
+
+alternate $ageing
+if [ $? -lt 2 ]; then
+	echo "Error when accesing ageing-partition!"
+	exit 1
+fi

board/ipe337/env/bin/magic.bin

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+(i

board/ipe337/env/bin/reset_ageing

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+#!/bin/sh
+
+. /env/config
+
+image=/env/bin/magic.bin
+part=$ageing
+
+if [ \! -e "$part" ]; then
+	echo "Partition $part does not exist"
+	exit 1
+fi
+
+unprotect $part
+
+echo
+echo "Erasing partition $part"
+erase $part
+
+echo
+echo "Creating magic"
+cp $image $part
+
+echo
+echo "Testing partition"
+. /env/bin/_alternate
+
+protect $part

board/ipe337/env/bin/update_application

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+#!/bin/sh
+
+. /env/config
+
+image=$appimage
+part=/dev/nor0.application
+
+. /env/bin/_update $1

board/ipe337/env/bin/update_persistent

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+#!/bin/sh
+
+. /env/config
+
+image=$perimage
+part=/dev/nor0.persistent
+
+. /env/bin/_update $1

board/ipe337/env/bin/update_system

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+#!/bin/sh
+
+. /env/config
+
+image=$jffs2
+
+alternate $ageing
+if [ $? = 2 ]; then
+	part=/dev/nor0.system0
+else
+	part=/dev/nor0.system1
+fi
+
+. /env/bin/_update $1

board/ipe337/env/bin/update_ubootenv

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+#!/bin/sh
+
+. /env/config
+
+image=$envimage
+part=/dev/nor0.ubootenv
+
+. /env/bin/_update $1