BAEL 3320 JCommander (#7971)

* init jcommander

* add model layer jcommander app

* service scaffolding

* init jcommander cli layer

* wire up services and commands

* splitter impl; validator impl; tests and cleanup

* cleanup pom

* integration tests

* fix uuid validator example

* optimise uuid regex; if-else to switch

* review comments

* fix builder formatting

* change list assertion in fetch charges tests

* missing minor edit

* move to new module libraries-3

* rm unwanted files

pom.xml

@@ -541,6 +541,7 @@
                 <!-- <module>lagom</module> --> <!-- Not a maven project -->
                 <module>libraries</module>
                 <module>libraries-2</module>
+                <module>libraries-3</module>
                 <module>libraries-data</module>
                 <module>libraries-data-2</module>
                 <module>libraries-data-db</module>
@@ -1307,6 +1308,7 @@
 
                 <!-- <module>lagom</module> --> <!-- Not a maven project -->
                 <module>libraries</module>
+                <module>libraries-3</module>
                 <module>libraries-data</module>
                 <module>libraries-data-2</module>
                 <module>libraries-data-db</module>