* HLRC: Adding GET ML Job info API
* HLRC: Adding GET Job ML API
* Fixing QueryPage license header
* Adding serialization tests, addressing minor issues
* Renaming querypage, changing the dependency on it
* Making things immutable
* Fixing build failure due to method rename
* HLRC: Adding ML Close Job API
HLRC: Adding ML Close Job API
* reconciling request converters
* Adding serialization tests and addressing PR comments
* Changing constructor order