Move parse_rpc_address() to fg_rpc_client[.h|c]
Update doxygen in fg_rpc_client.[c|h]
Merge branch 'next' of https://github.com/alexander-zimmermann/flowgrind into cleanup-argparser
Merge pull request #174 from alexander-zimmermann/cleanup-argparser

Sorry, I probably looked at the individual commit and not the pull diff.
Wille merge: Move parse_rpc_address() to fg_rpc_client[.h|c]