Merge pull request #270 from mfrey/remove_c_includes

removes source file includes in ccnl-utils

update tests

Merge pull request #122 from cgundogan/pr/cs_dump_memory_leak

ccnl-core-util.c: fix ccnl_cs_dump memory leak

Changed release links in README.md

imported the README-nfn.md file from dev-master

ready for release 0.1.0