Merge pull request vmware#1052 from dougm/master

govc release 0.17

Doc updates (vmware#915)

Some code updates too, but mostly examples and a few minor fixes/changes uncovered by the docs + examples.

Release 0.15.0

Release 0.14.0

Note: commit 3ba0eba copy-n-pasto subject said "0.13.0" instead of "0.14.0"

Release 0.13.0

Release 0.12.1

Release 0.12.0

Release 0.11.4

Release 0.11.3