* Log fatal error if plasma manager or local scheduler take too long to send heartbeat.
* Fix linting.
* Use int64_t for milliseconds since unix epoch.
* Failing test case
* Local scheduler exits cleanly after plasma store dies
* Tolerate one plasma store failure
* Tolerate plasma store failures on all nodes except head node
* Plasma manager heartbeats
* Component failure tests
* Don't run the helper for Python testing
* Fix C test
* Fix hanging plasma transfer test
* Fix python3
* Consolidate ClientConnection code
* Fix valgrind test
* fix c test
* We can restart worker nodes!
* Fix flatbuffers bug
* Address comments
* Only register actual workers with the local scheduler
* Fix bug
* Fix segfaults
* Add test case that tests for driver liveness, fix local scheduler bug
* Clean up after tests
* Allocate retry info on the stack
* Send SIGKILL before waiting
* Relax unit test conditions
* Driver liveness test case and documentation
* Change tranfer queue to doubly-linked list to speed up append.
* Maintain set of pending transfers to make deduplication easy.
* Fix naming convention for structs in plasma manager.
* Object notification test for Photon, and turn on valgrind for Photon C tests
* Test object notification handler in the plasma manager
* Fix hanging test case
* Consolidate wait implementations.
* Consolidate fetch implementations.
* Share callback between wait and fetch to address issue in which only one callback can be run for a given subscribe channel.
* Reactivate manager tests.
* Remove more code.
* Add some documentation.
* Implement new plasma client API.
* Formatting fixes.
* Make tests work again.
* Make tests run.
* Comment style.
* Fix bugs with fetch tests.
* Introduce fetch1 flag.
* Remove timer only if present.
* Formatting fixes.
* Don't access object after free.
* Formatting fixes.
* Minor change.
* refactoring plasma datastructures
* Change plasma_request and plasma_reply to use only arrays of object requests.
* some more fixes
* Remove unnecessary methods.
* Trivial.
* fixes
* use plasma_send_reply in return_from_wait1
* Lint.
