tests: refactor some common code

Signed-off-by: Martin Milata <mmilata@redhat.com>
Signed-off-by: Michal Toman <mtoman@redhat.com>
Add fingerprint_hashed to core frame json

Assume that fingerprints are hashed by default, unhashed are mainly
useful for debugging anyway.

Fingerprint hashing was introduced in commit
6de14b079f3022c2012cbc64ea75bcf918051430.

Signed-off-by: Martin Milata <mmilata@redhat.com>
Signed-off-by: Michal Toman <mtoman@redhat.com>
python: remove unused code from the java class

Signed-off-by: Martin Milata <mmilata@redhat.com>
Signed-off-by: Michal Toman <mtoman@redhat.com>
python: expose crash thread lookup

GDB-specific crash thread finding code was removed.

Signed-off-by: Martin Milata <mmilata@redhat.com>
Signed-off-by: Michal Toman <mtoman@redhat.com>
python: add SR_ATTRIBUTE_UINT16

Signed-off-by: Martin Milata <mmilata@redhat.com>
Signed-off-by: Michal Toman <mtoman@redhat.com>
python: add bindings for core stacktraces

Closes #41.

Signed-off-by: Martin Milata <mmilata@redhat.com>
Signed-off-by: Michal Toman <mtoman@redhat.com>