Extract Jackson config builder

refs #64
Remove JacksonProviders

refs #64
Polish MappingConfig builder

refs #64
Move JsonProvider into test directory

refs #64
Rename MappingConfigBuilder into JacksonConfig

refs #64
Rename JacksonMapper
Remove Lazy initialization in BsonEngine
Rename Provider to Mapper and Engine to DocumentHandler
Allow JacksonMappe enhancement
Move forgotten JsonModule into test folder
Move configuration stuff into a dedicated package
Fix broken null parameter handling

refs #79
Merge pull request #77 from bguerout/features/json-provider

Features/json provider
JacksonMapper.Builder handles Mapping(Config) creation
Hide JacksonMapper.innerConfig
Add methods to enable/disable mapper features directly, fixes #76
Move Mapping so getObjectMapper can be hidden
Merge findAndModify
Forget copyright...
Arrange operations method order