Refactor GedDirectory

Doesn't work, looking for plugin property in connector module !
Get back PluginProperty !

And leave the [new] DTO alone...
Refactor geddocument (jpa ready !)
Refactor gedMessages (jpa ready ?)
Refactor gedPlugin

Not yet working !
Try to use JPA
Merge branch 'issue_40' of https://github.com/xaviermichel/simple-ged into issue_40

Conflicts:
	ged-core/src/main/java/com/simple/ged/Launcher.java
	ged-core/src/main/java/com/simple/ged/dao/GedDirectoryRepository.java
	ged-core/src/main/java/com/simple/ged/ui/screen/GetterPluginConfigurationScreen.java
	ged-core/src/main/java/com/simple/ged/ui/screen/WorkerPluginConfigurationScreen.java
Fix compilation
Forget resthub !
Fix named query syntax
Update JPA query
Fix HQL error
By hibernate mapping !
Fix final identifier
Fix connection config
Fix edition :D
Update archetypes and plugins
Remove some private constructors
Fix database lock (sqlite)
Fix tests ?