added QDiag and Jedi AJD methods
added JADiagOrth unit test
fixed Jedi, added Jedi unit test and some cleanup to all the ajd headers
update news
Merge pull request #1337 from votjakovr/feature/numerical_integration

Update news
coding style fixes in AJD
ajd double -> float64_t
coding style changes in ajd unit tests
ajd updated to cpp style loops
Merge pull request #1340 from votjakovr/feature/gp_binary_classification

Added very basic python graphical example of GP binary classification
Merge pull request #1326 from pickle27/develop

added QDiag and Jedi AJD methods