ciao-controller: datastore: add comments to exported functions
ciao-controller: datastore: add comments to exported functions

Address golint issues by adding comments to some exported functions.

Signed-off-by: Kristen Carlson Accardi <047ff8258f0113ece56e5e2fe9e0d987b14c4333@linux.intel.com>

rbradford/ciao,tpepper/ciao,chavafg/ciao,mrkz/ciao,obedmr/ciao,wcwxyz/ciao,mcastelino/ciao,mrkz/ciao,matthewrsj/ciao,01org/ciao,chavafg/ciao,mcastelino/ciao,kaccardi/ciao,obedmr/ciao,mcastelino/ciao,01org/ciao,obedmr/ciao,ciao-project/ciao,mrkz/ciao,kaccardi/ciao,erick0z/ciao,jorgevgut/ciao,markdryan/ciao,erick0z/ciao,matthewrsj/ciao,tpepper/ciao,erick0z/ciao,tpepper/ciao,leoswaldo/ciao,markdryan/ciao,ciao-project/ciao,wcwxyz/ciao,matthewrsj/ciao,jorgevgut/ciao,leoswaldo/ciao,jorgevgut/ciao,wcwxyz/ciao,leoswaldo/ciao,rbradford/ciao