Added the tcp bind syntax [-60000] to the examples.
Fixed spacing to match surrounding lines.
Merge pull request #816 from WyoMurf/master

Doc fixes-- added example to bind syntax
Bring docs up to date wrt the deprecated zframe_recv_nowait.
Merge pull request #817 from WyoMurf/master

Bring docs up to date wrt the deprecated zframe_recv_nowait.