Add a simple script to help generating changelog

tools/generate_changelog_modules.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+# Usage: weboob$ tools/generate_changelog_modules.sh TAG "list of hash" [show]
+
+
+BEGIN=$1
+EXCLUDE=$2
+SHOW=$3
+
+for a in modules/*
+do 
+	if [ -d $a ]
+	then
+		MODULE=`basename $a`
+		LOG=`git log  --format="%H:::* %s"  --date-order --reverse "$BEGIN..HEAD"  -- $a`
+		for b in $EXCLUDE
+		do
+			LOG=$(echo "$LOG" |grep -v $b)
+		done
+		if [ -n "$LOG" ]
+		then
+			if [ -n "$SHOW" ]
+			then
+				echo "$LOG" | awk -F ":::" '{print $1}' | git show --stdin
+			else
+				echo -e "\tModules: $MODULE"
+				echo "$LOG" | awk -F ":::" '{print "\t"$2}'
+				echo ""
+			fi
+		fi
+	fi
+done