fabric: Add missing wait/poll set classes

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
fabric: Export fi_register_provider

Rename fi_version_register and export it from the library.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Merge remote branch 'upstream/master'
Merge pull request #137 from shefty/master

Add missing class and rename provider register export