Adjusted smart schedule computation

See merge request !15

Experiment configs

See merge request !14

Smart scheduler integration

See merge request !13

Added sharing of the server optimizer state for SwarmSL-based training

See merge request !12

# Conflicts:
#   edml/controllers/parallel_split_controller.py
#   edml/core/device.py
#   edml/core/server.py
#   edml/generated/connection_pb2.py
#   edml/generated/connection_pb2.pyi
#   edml/proto/connection.proto

chore: experiment files for adaptive threshold mechanism

See merge request !11

# Conflicts:
#   edml/helpers/config_helpers.py
#   edml/tests/helpers/config_helpers_test.py

Made torch device configurable

See merge request !10

Added smart scheduler

See merge request !9

- at most one object instantiation per config and allowing for config composition e.g. of controller and scheduler
- added flexible experiment group naming mechanism