FFmpeg's RTP muxer does not support GSM, while Ubuntu does not package
iLBC. Removes the old configure switches.
Removes package detection from contrib. Keeps contrib rules in case GSM
is later readded.
Change-Id: I705a521e2baf34c757c22a72e04cdf27233b5a7b
Update "eth" to latest version from
https://github.com/ethereum/cpp-ethereum
This new version makes use of secp256k1 instead of custom
code and cryptopp to handle EC generation, and reduces its dependency
to boost to use more of the C++11 STL.
This allows to trim the code to completely remove the boost and
cryptopp dependencies.
Change-Id: I19118d3b833a9425cddbeabf6d0b6e07d5a4b15e
