MetadataLoader finished.
Merge pull request #101 from regnarock/feature/medatadas-parser

MetadataLoader finished.
First try on implementing new metadata system.
Not working for now.
Metadata are working without configuration files
Only working for static methods for now.
Finished Metadata reading and TriggerDispatcher.
Corrected namespace issue with constructor overloading.
Merge pull request #122 from regnarock/feature/medatadas-parser

`btrigger` metadata loader finalisation