This reverts commit 77a3c36f.

* Fixed zmq_term, zmq_socket, zmq_close, zmq_setsockopt,
* zmq_getsockopt, zmq_bind, zmq_connect, zmq_send,
* zmq_recv, zmq_poll, zmq_device, zmq_stopwatch_stop
* Updated Reference Manual for these methods

* Added documentation for zmq_deviced, which we're developing
* Created consistent page footer in documentation template
* Page footer notes doc authors and copyright statement

Mostly Flow control and additions to zmq_socket(3)
Removed/changed lots of text regarding message queues
More fixes for 2.0.7 changes

Clarify multi-part messages

Multi-part messages

Multi-part messages