Refs #100833 Fix ccnbasicconfig to use ccn_sign_content() api.  Make it work with current ccnd.
Refs #100833 Fix ccnbasicconfig to use ccn_sign_content() api.  Make it work with current ccnd.

svartika/ccnx,svartika/ccnx,cawka/ndnx,svartika/ccnx,svartika/ccnx,cawka/ndnx,svartika/ccnx,svartika/ccnx,cawka/ndnx,cawka/ndnx,svartika/ccnx,cawka/ndnx