Merge pull request #428 from ipechorin/9056c13e1ebbfd7798ddd7b5cfdb9950933c710e

Use <stdint.h> shipped with Visual Studio 2010 and later
Merge pull request #429 from ipechorin/dcf683aacb533634c273bb2f51fa3ceaadf89202

Update MSVC2010 project after recent renames and additions
Merge pull request #430 from ipechorin/master

Update MSVC2008 project after recent changes; fix compilation errors
Merge pull request #431 from ipechorin/master

Forward-port fix for LIBZMQ-211
Make socket IO more robust

See also https://zeromq.jira.com/browse/LIBZMQ-433
Merge pull request #432 from hurtonm/master

Make socket IO more robust
Ported from libxs revision 123c0f5387ecef287dd11f4dc790fb76ee1c0f67

    Handle insufficient resources on accept() decently

    If accept() call fails due to insuffient OS resources
    the new connection is rejected.
Merge pull request #433 from michelp/reject-no-fds-avail

Ported from libxs revision 123c0f5387ecef287dd11f4dc790fb76ee1c0f67
Prepared for release 3.2.1
Minor documentation fix: zmq_msg_recv instead of zmq_msg_send
Merge pull request #434 from vaughan0/master

Small documentation error I noticed
Fixed issue #443
Merge pull request #435 from hintjens/master

Added ZMQ_XPUB_VERBOSE option
Renamed ZMQ_ROUTER_BEHAVIOR to ZMQ_ROUTER_MANDATORY for clarity
Merge pull request #436 from hintjens/master

Renamed ZMQ_ROUTER_BEHAVIOR to ZMQ_ROUTER_MANDATORY
commented out TOS related opt for PGM
explicit comments on multicast loopback
fixed trailing whitespace
Merge pull request #437 from rohanbedarkar/master

Explicit comments
added artificacts for windows and openpgm build