Merge branch 'io-stealing' into 'master'

.gitignore

.gitlab-ci.yml

emper/CallerEnvironment.cpp

emper/CallerEnvironment.hpp

emper/Emper.hpp

emper/Runtime.cpp

emper/Runtime.hpp

emper/io/IoContext.cpp

emper/io/IoContext.hpp

emper/io/Stats.cpp

emper/io/Stats.hpp

emper/log/LogBuffer.cpp

emper/log/LogBuffer.hpp

emper/meson.build

emper/sleep_strategy/PipeSleepStrategy.cpp

emper/strategies/AbstractWorkStealingScheduler.cpp

emper/strategies/AbstractWorkStealingScheduler.hpp

emper/strategies/AbstractWorkStealingStats.cpp

emper/strategies/AbstractWorkStealingWorkerStats.cpp

emper/strategies/AbstractWorkStealingWorkerStats.hpp