Java223 5.2.0 BETA5

fix small bug with dependency ordering
fix some compiler warning
remove some unused internal package from dependencies
rewrite/fix many things on the readme
fix generated code typo and lint
remove unused generated action file
adding/rewriting some log
adding more dynamic code generation (bindings declaration are automatically generated from context, not written "one for once" in the template)
adding si unit package in available import
using enum value is now easier (no import needed)
adding the generated class EnumStrings to have all enum as a static string form, making it possible to reference it from annotation
removing metadataRegistry from the parent java223script class : it is now avalaible in the "provider" preset
generated rule uuid are now predictible and stable
fixing an issue with deleting action files. Setting the read only property on a file is now a way to prevent the bundle from regenerating it
generated action file now have meaningfull parameters name
deboucing feature by annotation
target openHAB 5.1