kuraun

Fixed schema and SecurityConfig samples/webmvc-http-security

3

- Fixed the attribute value salary of UpdateSalaryInput of schema.graphqls to the name of SalaryInput object - Enable @Secured for Spring Security

Support change the context prefix and suffix format of KeyValueFormatter

4

- Add MetadataKey "prefix" and "suffix" of LogContext - Modify to generate LogMessageFormatter using MetaData Related: #275

Hi, Flogger Team. I like Flogger very much, but I would like to see one improvement. Why not allow the `KeyValueFormatter` prefix and suffix to be set with `LogData.getMetaData ()`...