simple: fi_inject and fi_senddata examples.

This patch adds examples for fi_inject and sending immediate data.
Also covers the usage for fi_cq_sread.

Signed-off-by: Arun C Ilango <arun.ilango@intel.com>
Rename fi_pendpoint to fi_passive_ep

Match update to libfabric.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Merge pull request #78 from shefty/master

Rename fi_pendpoint to fi_passive_ep
Merge pull request #79 from a-ilango/dev

simple: fi_inject and fi_senddata examples.