draft of buffer interface
mapped sink prototype - wip
channel decorator that counts written bytes
removed previous sink prototype
documented channel listening classes
buffer sync state implementation
remove unneeded test clean up
skeleton of channel limiter
buffer sync monitor
limiting channel decorator
file buffer implementation
moved filebuffer to own package; hide internal channel decorator and sync helper
ChannelListener -> BufferWriteListener
clarification on mem hog loop
extracted PersistentBuffer iface, readonly impl
factory for buffer impls
eliminated minor bugs
add toString
Merge branch 'feature-buffer'