Switched changelog to the new format

CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+
+## [v2.0.0-SNAPSHOT] [r5.0.0] - 
+
+- [#] Fixed distro files and pom according to new release procedure
+
+
+## [v1.3.0] [r4.11.0] - 2018-04-12
+
+- [#11232] Added Regex rule support with reload functionalities
+
+
+## [v1.2.0] [r4.10.0] - 2018-02-15
+
+- [#10810] Reorganize URLs to be REST compliant
+
+
+## [v1.1.0] [r4.7.0] - 2017-10-09
+
+- [#9032] Complete Refactor of Service #9032
+
+- [#9033] [#9036] Record List is unmarshalled as JSON using jackson
+
+- [#9034] Always posting a List of Record even when we have to post a single one
+
+
+
+## [v1.0.0] [r4.5.0] - 2017-06-07
+
+- First Release
+

changelog.xml

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-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE xml>
-<ReleaseNotes>
-	<Changeset component="org.gcube.accounting.accounting-service.1-4-0" date="${buildDate}">
-		<Change>Fixed distro files and pom according to new release procedure</Change>
-	</Changeset>
-	<Changeset component="org.gcube.accounting.accounting-service.1-3-0" date="2018-10-10">
-		<Change>Added Regex rule support with reload functionalities #11232</Change>
-	</Changeset>
-	<Changeset component="org.gcube.accounting.accounting-service.1-2-0" date="2017-02-15">
-		<Change>Reorganize URLs to be REST compliant #10810</Change>
-	</Changeset>
-	<Changeset component="org.gcube.accounting.accounting-service.1-1-0" date="2017-10-09">
-		<Change>Complete Refactor of Service #9032</Change>
-		<Change>Always posting a List of Record even when we have to post a single one #9034</Change>
-		<Change>Record List is unmarshalled as JSON using jackson #9036 #9033</Change>
-	</Changeset>
-	<Changeset component="org.gcube.accounting.accounting-service.1-0-0" date="2017-06-07">
-		<Change>First Release</Change>	
-	</Changeset>
-</ReleaseNotes>