v2.2 Release

Description

• Added json schema for the sequencer configuration. #148
• Fix validity check on generic futures when they are default constructed. #147
• Added compile test for the Promise constructor. #146
• Added support for Promise in the GenericFuture constructor. #145
• Allow generic futures to be accessed from coroutines and threads interchangeably. #144
• Refactored GenericFuture class using variants. Provide runtime checks. #142
• Fixed some header includes. #140
• Ensure coroutine stack size is a multiple of page size. #139
• Alloc coroutine stacks with MMAP. #138
• Ensure Sequencer returns success when running tasks. #137
• Prevent some compiler optimizations. #136
• Ensure proper catch/re-throw of coroutine stack unwind exceptions. #135
• ReadWriteLock upgradeToWrite fix for simultaneous upgrades. #134
• Added support for DeferLock in Mutex and SpinLock classes. #133
• Return error if drain fails. #132
• Correctly set writer in ReadWriteMutex::tryUpgradeToWrite(). Add tests. #131
• Fixed assert statement in SpinLock::lock(). #130
• Updated ReadWriteSpinlock to be atomically upgrade-able from Reader to Writer. Created LockTraits. #129
• Catch the right coroutine unwind exception. Terminate all coroutines on the same thread which started them. #128
• SpinLock improvements and TaskId. #127
• Changed default infinite timeout to be -1 instead of 0. Updated ConditionVariable::waitFor() to match more closely the STL behavior. #126
• Added varargs to support non-default-constructible types in the Promise class. #125
• Use mutable temporary duration for ConditionVariable::waitFor(). #124