Rename FI_ADDR_UNSPEC to FI_FORMAT_UNSPEC

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Merge pull request #82 from shefty/master

Rename FI_ADDR_UNSPEC to FI_FORMAT_UNSPEC
Convert FI_ADDR_UNSPEC to FI_FORMAT_UNSPEC

Missed updating new test program.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Merge pull request #83 from shefty/master

Convert FI_ADDR_UNSPEC to FI_FORMAT_UNSPEC
Add a simple example for message endpoint without the pingpong test.

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