Added dependencies
Adapted ApplicationConfiguration
Implemented JpaConfiguration (see Link1)
Implemented JpaAssertions for easier testing (see Link1)

Link1: http://spring.io/guides/tutorials/data/3/#user-content-start-with-a-failing-test-introducing-jpa for details.

#IAA-43 frederic.oppermann in progress work development 1h30m documentation reading and implementation
Annotated User for persistence.
#IAA-43 work development 1h15m much documentation reading and a bit development
added dependencies for slf4j and h2 database.
implemented test to check that tables exist in database.
fixed a bug in JpaConfiguration and added a web- and a tcp-server to be able to access the h2 embedded database while the application is running.
#IAA-43 work development 2h reading documentation and developing
renamed JPAConfiguration.java to JpaConfiguration.java.
ApplicationConfiguration imports JpaConfiguration.
User attributes are not nullable columns.
#IAA-43 work development 1h reading documentation and developing
Anpassung der register.jsp und Ergänzungen in den message.properties #IAA-3 work 30m
Code Review changes: sorted messages.properties and use i18n in register.jsp
#IAA-3 work development 35m
Merge branch 'IAA-3' into development
#IAA-3 fixed work 5m
Versuch Tiles und eine MainLayout.jsp einzubinden #IAA-46 in progress work 5h
Versuch Tiles und eine MainLayout.jsp einzubinden #IAA-46 in progress work 5h
tiles und mainLayout.jsp sowie header.jsp implementiert #IAA-46 work 2h
Implemented SpringRepository.
#IAA-43 ready to merge work development 1h45m unfortunately I spend a lot of time on bug hunting. Repository was not generated by Spring. Frist problem was @Repository Annotation on the interface, second was a bad base package for Repository search.
Merge branch 'IAA-43' into development
#IAA-43 fixed work 5m
Anpassung der header.jsp und struts.xml für Tiles, Einträge in den message.properties ergänzt #IAA-46
Extended the UserService-Interface + Implementation with save-Method
#IAA-4 work development 30m
Generated hash() and equals() in User
#IAA-4 work development 10m
Implemented Registration-Action for registration. No error handling implemented yet.
#IAA-4 work development 30m
Merge branch 'IAA-4' into development
#IAA-4 fixed work 5m
Restructuring of tiles and layout.
Seems not to be optimal - needs to be investigated.
#IAA-46 work development 1h30m
Defined line-ending converting rules in .gitattributes. Shell-cripts and the gradlewrapper Unix script be ignored for line ending change. gradlew.bat should have windows line ending.
#IAA-77 ready to merge work development 10m
Merge branch 'IAA-77' into development
#IAA-77 fixed work 5m