Simplify RSocketClient/Server implementation and avoid unnecessary fl…

…atMap (rsocket#467)

Replace IntObjectHashMap with NonBlockingHashMapLong (rsocket#459)

Replace IntObjectHashMap with NonBlockingHashMapLong (rsocket#459)

Replace close() method with dispose()/isDisposed() (rsocket#456)

add documentation to flag constants, mark STRICT as deprecated (rsock…

…et#454)

Set refCnt back to 1 when recycling ByteBufPayload (rsocket#446)

Added recycler for ByteBufPayload (rsocket#445)

Zero copy (rsocket#444)

* Added configurable frame decoder

* Test frame decoder with ping pong

reactor version upgrade (rsocket#441)

updated switch transform to use unbounded processor to prevent illega…

…l state exception (rsocket#440)