feat (layout): update layout version (#69)

Covers [RUNTIME-1889](https://bonitasoft.atlassian.net/browse/RUNTIME-1889)

bos-distrib/applications/bonita-user-application.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <applications xmlns="http://documentation.bonitasoft.com/application-xml-schema/1.0">
-    <application token="userApp" version="${application.version}" profile="User" homePage="task-list" state="ACTIVATED" layout="custompage_BonitaLayoutV18" theme="custompage_themeBonita">
+    <application token="userApp" version="${application.version}" profile="User" homePage="task-list" state="ACTIVATED" layout="custompage_BonitaLayoutV22" theme="custompage_themeBonita">
         <displayName>${name}</displayName>
         <description>${description}</description>
         <iconPath>bonita-user-application.png</iconPath>

pom.xml

@@ -12,7 +12,7 @@
 	<description>This application allows you to start or work on cases you are involved in.</description>
 
 	<properties>
-		<application.version>5.1</application.version>
+		<application.version>5.2</application.version>
 		<web.pages.dir>${project.build.directory}/web_page</web.pages.dir>
 		<web.widgets.dir>${project.build.directory}/web_widgets</web.widgets.dir>
 		<web.fragments.dir>${project.build.directory}/web_fragments</web.fragments.dir>