Merge pull request #1652 from karlnapf/develop

replace binary comparison with our new equals method
use python to detect date of NEWS file

this is more cross-platform
adjust for API changes: use new load_with_labels functions
minor changes in log-det
Temporarily disabled gdb checker to avoid hanging buildbots
Merge pull request #1656 from lambday/feature/log_determinant

minor changes in log-det
Change to be able to use BoolVector correctly in python modular
Merge pull request #1653 from van51/feature/bool_modular

Change to be able to use BoolVector correctly in python modular
refactor gradient model selection framework
fix converter_jade_bss example
Merge pull request #1658 from karlnapf/develop

suggestion for output in case of failing integration test
Merge pull request #1640 from votjakovr/feature/gp_refactoring

Refactor gradient model selection
Merge pull request #1662 from gsomix/feature/jade_bss

Fix converter_jade_bss example
ipython notebook added (log-det)
Merge pull request #1659 from lambday/feature/log_determinant

ipython notebook added (log-det)